NEW 2023 GMC Sierra 1500 Duramax Diesel vs Ike Gauntlet - The World's Toughest Towing Test!
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- Опубліковано 20 тра 2024
- ( www.genyhitch.com ) Check out our new spot to find ALL our TFLstudios content, from news to videos and our podcasts! The 2023 GMC Sierra 1500 Duramax 3.0L turbo-diesel I6 is 25% new & upgraded for more power and efficiency - Watch as Andre and Mr.Truck tow heavy with it on the World’s Toughest Test - the Ike Gauntlet!
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0:00 Intro
1:05 GMC trailer setup
3:10 Downhill
5:41 Trailer
6:18 Downhill pt2
12:51 Suspension / Squat
15:20 Uphill
22:45 Interior
24:19 Uphill pt2
26:06 Verdict / Rating
#gmc #duramax #ikegauntlet - Авто та транспорт
For whatever its worth, I currently own 4 of these engines from a 2020 SLE and AT4 and a 2001 yukon XL and now a 2023 AT4 with LZO. I have not had any (knock on wood) issues with any of them. My ranches use all cummins for the big towing and will continue to buy this engine whenever we need light duty work done. Really do like the engine and really hope GM doesnt make the same mistake and discontinue the light diesels like RAM and FORD made the mistake of doing.
Thanks for this feedback, makin' me really want a new AT4 Diesel now!
In my honest opinion, I give it 5 years. I think the reason the 3.0 powerstroke was a flop was because people would rather buy the 3.5 ecoboost and not having to deal with the emission compliant stuff you get with owning a diesel.Same goes for the the dodge ecodiesel. The epa is making it harder and harder to own diesel.
For light duty work you can literally buy any of the gasoline engines.
@@bartholomausallen883you can use red diesel and get deals on fuel if you work on raches
@@hardr0cker64and Ford never really marketed the 3.0l Powerstroke. You literally never heard anything about it. From what I know, it was actually a very good engine option. However, GM is doing a better job, and word of mouth is out there. This has been a great seller for GM. I own a 22.5 refresh AT4 LM2. Would I like the power of the LZO? Absolutely. Do I feel I'm lacking anything? Not at all.
If you guys read the literature from the factory, the transmission is designed to grade shift with cruise enabled-set your cruise speed and it will grade shift more aggressively to maintain your set speed.
You basically did the test opposite of what you should have done-should have used cruise going downhill and manually driven uphill because cruise uses the set following distance for safety and vehicles in front of you slowed you down.
I usually enjoy watching the Ike’s but you both screwed the pooch on this one.
^^^ 100% this comment ^^^
I have a 2020 LM2 and I think the engine braking is a bit weak. I keep searching for videos of how the LZ0 compares since GM has done some turbo tuning. I hate to be a jerk about it, but every video so far has been completely wrong. The computer controls the exhaust/engine braking. Cruise control isn't *required* but it certainly is easier that way. If you step on the brake enough to activate the brake light switch, it will think you're trying to slow down, it won't happen, and it will start commanding engine braking. Tapping the brake to slow down 1 MPH and then letting off does absolutely nothing other than putting some heat into the rotors.
Not the first time they have messed up with the 3.0 Duramax. Weird thing is they have acknowledged this error in previous tests in the comments but they continue to make the same mistake 🥴
Redo the test and use cruise control for the exhaust break to actually work 🤦🏼♂️
You guys are correct that the computer will utilize the exhaust brake and grade braking more effectively but the reason TFL doesn’t usually use cruise control on the downhill is because even though the computer would grade shift and apply the exhaust brake it would also apply the regular brakes as required and Andre would have no way of knowing how many brake applications were applied. I suppose the trail vehicle could monitor the brake lights and count how many times they light up. 🤷🏼♂️ TFL also always says they want to test the vehicles as supplied and not fidget with all the different available features.
Sure hope the TFL Fellas see your specific comment. Many on this particular one are great but yours is the best.
We all understand why they do the test the way they do but they would be better off operating the truck as designed. Not understanding how GM programs their grade shifting/braking as well as not understanding how the adaptive cruise works and penalizing them for it in their ratings... Insert eye roll here.
Heck my old 2015 Yukon Denali would need no break applications going down fully laden cause id use Tow Haul mode and my adaptive cruise control. Truck would take care of all it on its own. The 2024 will do the same +++
When you were using super cruise climbing the hill the reason it was slowing on you even though you were full throttle is the adaptive distance to the vehicle in front of you was keeping you at the set distance. It won't let you get close with the super cruise on.
This is what I was thinking too but I’ve never used Super Cruise. Both times they showed the lower speed there were vehicles in front of the truck.
Correct, I know its tough to keep track of every feature in every truck but come on TFL, you have one job! Also I blame the manufacturers, most of these trucks are loaners and the whole point is advertisement for the manufacturers. You would think they would send a rep, or a video, or something and let these guys know how all the features work.
Also the braking. I have a 2021 silverado and I have noticed it will only get aggressive with downshifting if you have to hit your brakes repeatedly. Not sure exactly how it works, maybe some algorithm to guess brake temp or something but if you need to hit your brakes repeatedly in tow haul my truck will all the sudden get super aggressive with downshifting. I wouldn't call having to hit your brakes 4 times in 8 miles on a 7% grade anything close to excessive. These guys are forced to nit pick, trucks are so good these days they have to really stretch to find supposed issues.
This is the comment I was about to post
Also not knowing the gear its in going down, was probably in 5th or 4th with those 3.23 gears, so if it down shifted 1 more time it would've been to low of gear and would've went past rev limit. These should have 3.42 option without max tow. I don't care for 3.23. I can't even add the Max Tow if I build one which is Bullshit!
Same concept with the 18 wheelers. If you have cruise control on it keeps you at a set distance unless you have it off you can get closer.
You can tell Mr. Truck likes this truck because at almost 3 inches of squat with any other truck, he'd be having a heart attack
Not sure why. These vehicles have a max tongue weight before a WDH is required. That will put weight back on the front axle and reduce the squat.
It's OK, I'm taking my baby aspirin
Only if it were an HD truck
Soooooo true. Funny seeing each of their own bias when they seep theough
3 inches is nothing lol.
mr. truck's lost a lot of weight. Looks great
Thanks a bunch
I just ran the "Ike Gauntlet" a couple of weeks ago, hauling my 21ft, aprox. 4200lb bumper pull camper. I have the silverado LT crew cab with the LZ0 Duramax. Going down, I had the exhaust brake on and used the manual mode shifter. I kept RPMs around 3000 and it was so aggressive, it slowed me below the speed limit. On the way up, foot to the floor, I could maintain 65mph the entire climb. Amazing little diesel.
Highway Mileage over the length of your trip?
So what you're saying is the computer drives the truck, if you can have your foot to the floor climbing a hill with a trailer, back in the day that would have blown the truck up....Not a fan of how the computers drive these things now
@@bushtruckBetter engineering is bad? I like my old trucks but you did have to watch temps to keep the motor and trans from disintegrating, it's nice to not have to do that as much when you're spending this kind of money.
@@bushtruck Back in the day diesels had such low power that there were no worries about EGT temps etc. You obviously haven't driven one of these so your opinion means nothing.
@@Derek-pd4fcold Naturally aspirated diesel all ran around 15:1 AFRS to try and squeeze out as much power as possible which is incredibly rich compared to modern turbo diesels, so while you may have not been monitoring your egts they certainly wouldn't have been "drastically" lower then todays trucks, your EMP would have been drastically lower then todays trucks but theres no free breakfast when it comes to making KWs
155k for that trailer and you have to manually crank it up off your truck ! 😂
🤡🌎💯🌈🤷🏿♂️😝🤪🥵
That's A Lot Of Money For The Camper.
That much I want it to set itself up and cook breakfast
“bUt iTs OfFRoAd caPaBle”
@@nickfruge5639 KAPABLEHHHH
Hey guys! I love that you did this video! The ROAMER 1 is an amazing Overland RV! It weights over a thousands LBs less than the PAUSE Ive been reviewing and I was told it tows much better with a 1/2 ton. I'm glad you confirmed this.
Loved the input. Thank you for being honest it helps a lot of younger people learn something important.
Thanks
"It doesn't care where your hands are at!" Love that line! 😂
Picked my z71 3L LZO from the dealer last week. So far I love it
I'd love to see a comparison of 1500's with the Duramax and the two different axle ratios. The fuel economy is the big question: How much of a hit does that 3.73 give you, with and without a load?
I would like this test as well. There is no information on the comparison.
I'd love to see this too!
Good for Kent on keeping up his weight loss journey! Looks like a completely different man today. Good for you sir!
Thank you
Another great morning waking up to Andre and Mr. Truck!
Thanks
You have the adaptive cruise control on and set at 50 or 59, as shown at 20:46 on the video. It was sensing the truck in front of you, so it was slowing down!
Definitely the best engine to get in these trucks.
What a gorgeous truck!! The AT4 with this powertrain is my dream vehicle! I honestly didn’t recognize Mr. Truck!! You look 20 years younger!!! Wow!!
I bought a 2 wheel drive with the 3.0 ....it was $53.935 before tax tag , I love it & getting good mileage per gallon
I’ve been waiting for this one! Thanks guys.
I said I would like to see this motor tested just last week!! Now you have it here today!! What amazing service Mr Truck and Andrey!! 😂😂.
Life is full of coincidences.
Great video as always fellas!
Thanks
I would of bought the 3.0 LZ0 if it would of had more payload. Instead I just picked up its big brother duramax. 3.0 duramax is by far the best engine option in the half ton segment!
I agree and same here. Needed more payload and towing
Would of? You mean Wood of? Like wood of mahogany, wood of oak....?
@@scarhart53nah like wood of birch as in dont be a birch and quit pining about peoples shitty grammar. Spruce up. Be an oak not a daisy. Its not aspen too much is it?
I agree. This truck with a 2300 pound payload would be the ultimate. My powerboost is a great truck but with 1360 pounds of payload it is very limited
Thank you. for doing this test. This, to me, is the best 1/2-ton pickup there is. The diesel is by far the number 1 choice for me, I want one.
Yes , another day with the team
I understand your all's take on grade shifting but honestly the way this one is programmed is ideal to me. I don't want it programmed from the factory to shoot to redline everytime I brake in tow haul. But if you want or need it that extreme manual shift mode will get it done.
Agree completely. And they put the fancy floppy paddle shifters on the steering wheel to make that easier. TLC tests this way to be consistent, I get it, but I would rather shift myself too.
Agreed! They are pushing the suppliers to redline it to slow down which can be very irritating if you do not need it to do so… this is a pretty extreme grade and length on average you don’t need it to perform one or less brake application.
Really hope they stop pushing so hard on brake applications.
Also agreed. I would rather have the wear on my brakes than my drive line components for overall reliability. Fair trade off to me.
With my truck in tow haul with the exhaust break it does really well if you use cruise control for down hill.
@@msmith8564 believe that’s because nowadays cruise control also applies slight braking. I’m not saying the exhaust brake doesn’t do anything by any means… I’m just saying it doesn’t do what people expect usually. I’m completely satisfied with how it works.
No changes to the oil pump drive belt from the LM2, it is just that long term evaluations of the test fleet showing minimal to no wear prompted them to change the service interval from 150K to 200K.
Looking forward to seeing you do the 6.6 gas with the 10-speed.
Buy a 7.3
Sell it and buy a dmax
@@aussiek2000 only need that if you have a cdl
Why would anyone get the 6.6 gas? Absolutely horrible mileage. Loaded or unloaded.
@@B-rad303 I’m getting 12 city and 16 highway unloaded which I don’t consider horrible 🤷♂️
After watching “Big Truck RV” review the same truck and same trailer and say it was “dangerous” driving on flatland in TX it was great to see what y’all said.
I just watched that. It's a silly video saying it's not enough truck when a tall trailer is swaying in a 35 mph crosswind. Completely illogical.
That video was ridiculous. He wants a massive trailer to not move an inch when being buffeted by strong winds. That's not the truck's fault it's the laws of physics
He just wants everyone to buy a 450
I think his was a different trailer but still, he’s a massive Ford fanboy too. He makes good points sometimes but I stopped taking him serious on his takes on his GMC when he complained about having to push the brake to start the truck. That was more than ridiculous.
I do agree that 1500s are not the best option for towing enclosed type trailers though. Especially at interstate speeds.
He tested the Pause trailer, similar but not the same trailer.
Beautiful truck in beautiful Colorado. Great test of the Duramax engine. Love the IKE Gauntlet test. Great job TFL crew and Mr. Truck.
Thanks
Now thats the best looking interior ever designed!
To make the exhaust brakes on these trucks work you have to lightly drag the brake pedal not adding brake pressure just enough for the lights to come on and it will kick down and exhaust brake
My favorite truck with wider tire and thicker side wall, and upgraded shocks.
Is there a reason why you don’t use the manual mode with paddle shifters to get the exhaust brake to be more aggressive?
I tow a 7000 lb travel trailer with my 3.0 a lot. I went over hogback hill in northern PA, down about a 6% grade or so. Didn't have to touch my brakes once. Smooth as silk and no crazy high redline reving either.
I just got one too I pull campers a lot and curious hiw dud it pull up hills? I usually tow with a 5.3 and good but hoping thus is a little better
@michaelmcmillan2119 Sorry man just saw this. I towed my same camper with my dad's 2018 5.3 a few times. I'd definitely say the 3.0 pulled harder with less rpms up hills for sure. Not that the 5.3 is weak at all, but I sometimes felt it was really stressing to pull up steeper grades. That 3.0, no such concern.
Mr. Truck is the truck authority. Glad to see him with TFL.
Love the Banks IDash! It was the first accessory that I bought for my 3.0L
Thats an amazing truck. I can't believe the payload capacity with the ultimate and the diesel. I have a 17 platinum reserve 2wd and this truck has more payload. That makes me wonder what the payload is for the sle with the diesel. That truck's too nice for me.
If the vehicle has a diesel engine, exhaust braking is automatically activated when Tow/Haul Mode is selected. The system will command downshifts and use the turbocharger on the engine to reduce vehicle speed when the brake is applied. The normal tow/haul shift pattern will return once the vehicle is on a low grade or when the accelerator pedal is pressed. This is straight out the manual. That might be why you didn't feel the exhaust breaking. Just tap the break on a grade.
Chevy exhaust brakes are complete garbage, people don’t buy a truck like this to tow shit
Always good to see the two of you getting into trouble, Andrey & Mr. Truck.
Thanks
Gentlemen, the downhill assist feature works best with the cruise on. USE THE CRUISE! Set it at 55 and you’ll see results.
because gm USES THE WHEEL BRAKES. even on models without adaptive cruise.
@@duramaxadventures5832 SO??? As long as they don't get burned up who cares?
Love watching you two do reviews!!!!!😊
Thanks
The exhaust brake
On these 3.0’s works the best when you lightly hold your foot on the brake pedal for a few seconds. I think you would have had less brake applications downhill with this method. Thanks for your footage.
I would like to see a 6.6L gas 2500 HD compared to the 3.0L diesel 1500 towing the same load just to see if the 2500 HD gas is significant better or is the 1500 put up a good fight he'll even a gas on gas. Comparison would be interesting
"It wants to go slower for some reason"
The box truck in front of you.
Thank you.. seems obvious that the following distance was limiting speed.
At 22:18 they weren't behind the box truck.This engine lacks the power to climb this hill any faster than it did here.
@@PistonAvatarGuy it's behind the white SUV...
And you don't just magically shoot up to 60 instantly.
@@desertfresh3740 The white SUV was pulling ahead, watch longer.
@@PistonAvatarGuy and the truck was accelerating. It doesn't have a ton of power but it still takes time to get up to speed. They were doing 52 behind the box and were up to 56 or so after getting behind the white SUV
The video we’ve all been waiting for.
Would it be able to haul a GVWR of 8800? Wondering if it would haul a Winnebago Minnie Plus 26'. Thanks for the great video. Would I be better off with the 6.2? I like the idea of Diesel and the exhaust break.
I got a question. I have a 2021 3.0L durmax (first generation, 277hp), and I have about 40k miles on her so far. The truck I own does great but is it worth it to upgrade to the newer model with performance upgrades? Not sure if it's worth spending the money on the upgrade. I'm the kinda guy that owns a vehicle for at least 8 to 10 years or more. Your thoughts if it's worth upgrading it? I know you have done review on both models.
I wonder if you could do better on the downhill if there is a manual shifting mode to keep it in the higher gears and bypass the tuning of the gearshifts. Might have made the 8min mark if Supercruise wasn't enabled. Might have given a longer following distance to the vehicles in front.
Other than that, looks like a real nice truck. Wish it had rear coil springs like the Ram, but that's about it.
I am wondering it the adaptive cruse control got in the way on the climb with the super cruise engaged
I’d like to see Andre do a second run downhill where he manually select the gears for the descent.
5.9 mpg?? Going up that mountain?!?!
That is phenomenal!!
Set the cruise at 55 on the downhill run and it should down shift quicker and hold you under 60 mph.
On the uphill drive adaptive cruise was def holding you back based on that tahoe/yukon you were behind.
I think that if I owned that truck I would use a weight distributing hitch with sway control. My trailer wouldn't have that fancy off road articulating coupler though.
Unfortunally with the exhaust brake of the LM2 and LZ0 its really dependent on how hard you hit the brake. I feel like it reacted the most this way. I do miss the older style bigger diesel way of just having a button to activate. Really a shame theres no control over it.
Brake applications may improve with software updates also is truck broken in does it have 5.5k may affect mpg slightly
Anyway keep videos coming. Very entertaining thanks.
Was the exhaust brake on? It’s pretty apparent when it is and I didn’t hear it in the video. In my 3.0 the exhaust brake is fairly aggressive, have to power out of it when it’s on. It might take constant brake pressure for a while to turn it on.
I am wondering what a different rear axle ratio would have done
I have the Colorado with the durimax, it will not down shift with the break, but set the cruse to what ever and it will down shift and apply the amount of exhaust break needed to hold that speed... its a chevy thing I guess
Did it slow because of the distance auto sensor cruise dropped your speed. During your drive you changed lanes and possibly had other vehicles within range which could have been within sensor range.
Did you guys mayne have to use the manul downshift on the shift lever?
I own an 1500 AT4 with Duramax and it is an outstanding combination. 25 to 27 mpg average . My only annoyance is they hide the lights and drive mode button behind steering wheel. Much better when it was vertical to the left. 👍
Mr. Truck has been hitting the gym. Looking good Mr. T!
My 1997 C1500 finally arrived and she's a beauty! :)
Only thing I just discoverd is when I lock the truck, it doesn't close on both sides in 1 time. I have to lock both sides manually. How do I fix that? Is there a button or something?
Love it! Have an Denali Yukon 3.0 on order. Can’t wait to try out this great diesel engine!
It’ll have the lm2 in it not the new lz0
@@user-ui4iv8dz3w yep, I knew that. Not a guarantee the lz0 will be in the new ones. Happy with the performance so far the lm2 has shown
You’ve acknowledged this on every gm diesel video, the exhaust brake is integrated with the cruise control. FREAKING USE THE CRUISE CONTROL! it will grade shift more aggressively and apply strong exhaust braking under cruise control. Don’t knock it for not working well when you’re not using it the way it was designed.
One consideration with Super Cruise that might have been effecting the uphill speed is the follow distance. GM's active cruise control settings are very sensitive to the follow distance settings, super cruise I assume uses the same logic. While the truck did appear maxed out on uphill speed, there were a few times in the video where there was a vehicle in front that may have limited the speed by tripping the follow distance minimum. With Active Cruise GM has an indicator of a vehicle in green that shows up when the radar picks up a vehicle in the distance range. Again there were times in the video when that indicator was on and you were talking about vehicle speed being low.
And not sure if it was an edit, but you had an automatic lane change denied at one point when you were already in the fast lane. If that was real and not an edit, it shows how not smart the Super Cruise system is. While it denied itself a lane change to overtake a slower vehicle due to a concrete wall and no lane available, it also thought it was a good idea to recommend a left lane overtake when there was no lane. Maybe you hit the indicator, but I believe that was an Automatic Lane Change rather than an On Demand Lane Change.
You are correct. I had super cruise in a Cadillac CT6 and the truck's supercruise was definitely speed locked to the truck in front at one point.
Wish you had done a downhill test with Super Cruise and one with Manual Shifting. Also, while you are staying within the speed limits you might be missing some of the programing done by GM. If you run a 60 mph test, braking at 70mph, you might find downshifts were programed that you do not reach in your standard testing. Consider adding more tests.
The reason super cruise was slowing down u two genuineness is because it was following the lead car ahead of u lol 😂
Your spelling indicates that you too are a genuineness 🙄
@@DanielSon69 does it make him wrong though???
I couldn’t believe they don’t no how adaptive cruise control works
I really want to see if the Autostart/Autostop feature on GM trucks really helps. In stop and go traffic, I feel like the restart cost on fuel is greater than the savings provided by the shutoff. Unless I'm stopping at traffic lights for more than a minute, I don't think there's a benefit to the shutoff. I would love a video on this
They don’t do that for economy they do it for emissions
Always like seeing Mr. Truck
Thank you
Great to see Mr. Truck again !
Thank you
At 22:21 you see orange on the indicator lf the vehicle in front. Too close to it so it would automatically roll out of the throttle. You can't use an adaptive cruise with vehicles going to slow in front of you and your expect to not slow down. Should have either tested without cruise or done so with no traffic.
Highly advise omitting the factory fuel filter head assembly for the VSE filter block.
TFL guys especially Andre I would love to see you take your 2.7L turbo 4 cylinder on the IKE and then compare it to a full sized truck with the same crew cab short bed with the same motor, (yes I know it would be mid tune vs high out put tune but maybe you could do high out put vs high output after you get the tune on your Trail Boss). The reason is a lot of people debate towing with a mid sized 2.7L or should they get the full sized gm with the same motor? I would love to see max tow vs max tow and/or 5K ibs haul vs 5K ibs haul.
I have a 21 crewcab Z71 RST standard bed 3.0 .... average 30mpg & 700 miles to a tank. [Highway miles) ... zero issues so far at 46,000 miles. I paid 52k for it & love it. D.e.f usage is minimal & not burning oil. Low end torque is amazing and super quiet on the highway. Smooth 10spd trans & great throttle response. I plan on purchasing the yukon with this 3.0 for my wife. I would recommend the baby duramax to anyone in the market for a new truck/suv
Another great epic with Andre and Mr truck.👍
Thanks
My 21 AT4 w 3.0 Duramax I put in roadmaster active suspension and it cut the towing squat by 2-3”
I thought they would have addressed the exhaust brake in this update. My LM2 sucks when it comes to the exhaust brake, you stand more of change slowing it down by holding your hand out of the window rather than relying on the exhaust brake!
A few comments. Even if it has a Jake brake, it's still only a 3l engine. There's only so much it can do. As for the uphill performance, you had Supercruise on and a vehicle in front. It has to maintain the distance you set it at, if the vehicle in front slows to 55 so will you. Plus if you consider the leisurely pace it got to 60, you lost about 4 seconds there which means it only lost about 9 seconds. It would have been interesting to turned Supercruise off and see if you could maintain 60 going up the steepest part of the climb.
It doesn't have a Jake brake, it has an exhaust brake. They are two totally different things.
Exactly my thoughts regarding the speed. It sensed that vehicles were too close and limited the distance it would allow the truck to get to that vehicle… which is actually super impressive when pulling a trailer. Most adaptive cruise controls do not account for pulling a trailer and therefor end up getting you in uncomfortable situations. I’m of the belief that the truck could have kept 60, they just would have been tailgating someone to achieve it.
@@angrybeavers1175 Is that so? Compare it to a gas 3l turbo and get back to me.
The Chevrolet trailboss with this engine is my next truck. In a Ram at the moment but I want that diesel, what an engine!
love the half ton diesels, and the Ram 1500 EcoDiesel can still be had in a 2023 , I just bought one, but it is the final year for Ram's half-ton diesel :(
I’ve found that Chevys tow haul on down hill is never as aggressive as I want it to be. I find myself manually downshifting when going down bigger hills. That said, 2500 in low range with 13k trailer down a sketchy logging road in first gear. I never knew my trailer brakes were completely nonfunctional!
I really enjoy all of your reviews. On the downhill did you have tow haul engaged as my understanding is the exhaust brake does not work unless it is engaged.
yes they always do.
I love toyota and had 2 tundras (down to one now) if i had to buy a new 1/2 ton now it'd be the 3.0 dmax most likely. I needed more payload and towing so i went with the Silverado 2500 instead
You have to tap and hold brake for 3 seconds while in tow haul mode to get the exhaust brake to kick in. Or at least my lm2 that’s the case. Don’t know if they changed the programming for lz0
They need to be using weight distribution on a trailer that heavy. They also need to use cruise control on the downhill
I always like when Mr Truck is on board
Thank you
I have the 2022 Yukon xl with the 3.0 and the exhaust brake works like a beast on it I have a 28 foot trailer with t-brake set to 70% but my gear ratio is 3.23 with the 10 speed and and even though the fuel mileage is amazing without load it takes a solid hit with the load. ( 26mpg no load, 10-13 with load,) (also have jumped up a tire size cause you cannot get D or E rated tires in the size gm puts on the Yukon in 18's) . before the tire change was at 28 mpg no load. Honestly I would gladly give up 2-3 mpg to have a. 3.54 or 3.55 gear ratio as I can feel the gap between 1st and 2nd when pulling a load. also I wish GM would have left a solid rear axle in the Yukon, I have the independent front and rear and even though the ride is amazing it takes a hit on payload.
Thanks for the video. I agree with Mr. Truck, I like the GMC truck if I were choosing one.
I wonder if it would do better downhill with the cruise control on.
GMC needs to put an air suspension on the ultimate trim.
I currently have a 2016 Chevy Silverado 1500 LT crew cab and this is totally my dream truck when I need to replace it in about 2 to 3 years. Hopefully they don’t get rid of diesel.
Is the exhaust brake not working as well because it’s a smaller displacement engine? It doesn’t have the same back pressure as a 6.7.
You say hey google in the video, my speaker system hears it and tells a joke.. my wife freaks out. Great video
I have a 2021 Silverado with the LM2 3.0. I wish the exhaust brake was more aggressive. When towing our camper I cant even tell its working.
Pretty sure the exhaust brake only works when Tow Haul is on AND cruise control is set, just like on the LM2
Do you use top tier diesel because it is hard to find where I live
I think a 3/4 ton with a 4-5 liter diesel would be a good combo. I want HD suspension but don't need to tow 30,000 llbs.
It’s just crazy seeing Mr Truck without a beard especially when it’s snowing outside in the video
With cruise control on, the truck will not allow excessive speed. I don’t know if this is the exhaust brake or regular brakes, but it keeps the truck at desired speed.
This is an ideal truck for a small Tune. Better shift control and a bit more power. Than it'd be a perfect truck