GMC Unleashes the Sierra 1500 AT4 in New York

AT4_lede

We've already seen the 2019 Chevrolet Silverado 1500 Z71 Trailboss, the off-road-ready version of Chevy's completely redesigned 2019 full-size pickup truck, at the 2018 North American International Auto Show in Detroit and during its Texas reveal. Well, you didn't really think that GM's other truck brand wasn't going to get something equally capable, did you? Of course not. And here it is: the 2019 GMC Sierra 1500 AT4. Not the All-Terrain, as we saw on the last Sierra. No, this pickup marks the debut of a new sub-brand for GMC (think Denali). The AT4 moniker is set to appear across the GMC lineup on other vehicles as well, Global GMC Vice President Duncan Aldred said in a press release; it will always denote an off-road specific model with extra equipment.

Revealed at a media event ahead of the 2018 New York International Auto Show, the Sierra 1500 AT4 starts with the same equipment we saw on the Trailboss: a 2-inch lift kit, standard four-wheel drive with a two-speed transfer case, locking rear differential, skid plates, off-road Rancho monotube shocks and 18-inch wheels with either all-terrain tires or mud-terrain Goodyear Wrangler Duratracs. Optional are 20-inch wheels and all-terrain tires. Power comes from a standard 5.3-liter V-8 engine, but later in the year an optional 6.2-liter V-8 and turbo-diesel 3.0-liter inline-six-cylinder engine will become available. No power or torque numbers were made available for any of these engines.

From an appearance standpoint, the AT4 gets something of a blackout treatment. The front bumper, grille surround and rear bumper are done in body-color paint, while the grille is black chrome. That black chrome also adorns the LED foglamp bezels, while the window trim, mirror caps and skid plate are done in black gloss. Red accents are added to the emblems and front tow hooks.

Inside it's also slick and somber, with dark-tinted plastic and textured aluminum trim. Leather seating is standard, with Jet Black/Kalahari your only interior color choice. AT4 badges are embroidered into the head restraints and all-weather floormats are standard.

The AT4 will feature technology that aids its off-road mission, including the Traction Select System, which adjusts the vehicle's stability control program, throttle mapping and transmission shift points to tailor the truck's performance to driver-selected terrain or weather conditions. Like other Sierras, a multicolor head-up display is optional; it includes data such as an off-road inclinometer that displays fore-and-aft degree of tilt, front tire angle and left-to-right tilt. The ProGrade Trailering System and related smartphone app also will be optional, as will 360-degree camera function displayed on the multimedia screen.

The novel new MultiPro Tailgate will come standard on the Sierra AT4, allowing six different configurations for using the pickup's bed. The CarbonPro carbon fiber bed also will be an option, replacing the steel inner bed box with a carbon fiber resin version for durability and weight savings. Still no word yet on what this will cost, however.

So, if you liked the equipment on the Chevy Silverado Trailboss but wanted something a bit more luxurious (and perhaps a bit less wildly styled), GMC's version might just be the answer. Look for it to start appearing in showrooms in the fall.

Manufacturer images

2019-GMC-Sierra-AT4_2

2019-GMC-Sierra-AT4_interior

Comments

Looks nice, have always like the Sierra's more then the Silverado's. Need to make an AT4 Canyon I may have bought one if they had, but alas I bought the Zr2 and love it

Looks nice. Hopefully a bench seat will be available.

wow this is a nice truck about time gmc

Its ok, like the Chevy better

-CT

Rancos stink, boo, give me Bilsteins!

It's hard to imagine these trucks any more foo-foo'd or optioned out.

There's a few headwinds for future vehicles sales: 1) skyrocketing dealership MSRP, 2) rising interest rates, 3) home equity lines of credit are no longer a tax write off, 4) less globalization, ...

I like it!! Looks better than Silverado in my book, but I'm biased to GMC...I think they are classier trucks!

Do we have to wait for it to be on the lot with the window sticker in order to know POWER?? This is getting a little cumbersome!!!

Great truck with a practical, functional no nonsense interior. Go job GM.

Oh no. Ford is doomed now, possibly Ram also. The dominance of GM and special blacked out models continues.

Oh boy. Very nice. This and the inline diesel, nicest truck to date .

whoopty-doo!
throw some off-road tires, a lift kit and some sheet metal skid plates and GM thinks they have a off-road truck

if you want a REAL off-road truck get a F-150 Raptor or a Toyota Tacoma

The guys that already own off-road trucks with monster tires , lift kits are the same ones that creep very slowly over the speed bumps at the local shopping center
ha-ha-ha I think that's funny! ha-ha-ha
ohhhh goo-chy goo are you afraid you might break it?
ha-ha-ha

Sounds like what Z71 used to be, but with short little sidewalls on the 20s, and all the extra clearance of a leveling kit, but still no front traction device, anything other than the GovLock, or actual practicalness in dirt.

But if you’re into looking like you can go off-road, this package is perfect.

Last year a group and I were running trails outside Ouray and we came across a group of ZR2s with manufacturer’s plates running the same trails. Now we all run fullsize vehicles, Blazers, Broncos, 1/2 ton short beds, most were pretty stock, a couple had traction devices front and rear. The jist of it is the ZR2 crew turned around. We met up in town at a bar to chat. All in our group are Engineers, as were the ZR2 group. The tales of compromises were disappointing. But rest assured the fact that a couple of 30+ year old SUVs and 20 year old pickups could outwheel their spool-valve shocked high-dollar machines was not lost.

James

Its not that these pickups couldn't do most of the stuff u are talking about. Its the fact that your paying $45 to $65 thousand dollars for these new rigs and damaging them on a trail would be awfully painful to the checkbook.

Your 20 to 30 year old rigs are beasts no doubt...but they are easy to maintain and let's face it...who cares if they get scratches, dents, holes, rust,...ect.......

@James:
Were there any Raptors in your group or did you leave them in the mall parking lot?

"...Power comes from a standard 5.3-liter V-8 engine, but later in the year an optional 6.2-liter V-8 and turbo-diesel 3.0-liter inline-six-cylinder engine will become available."

This sort of product release means that buyers who want the powertrain upgrades have to wait. Dumb!

Making their upmarket buyers wait means that the competition has more time to offer a suitable competitor. GM will lose sales doing this.

"...Power comes from a standard 5.3-liter V-8 engine, but later in the year an optional 6.2-liter V-8 and turbo-diesel 3.0-liter inline-six-cylinder engine will become available."

This sort of product release means that buyers who want the powertrain upgrades have to wait. Dumb!

Making their upmarket buyers wait means that the competition has more time to offer a suitable competitor. GM will lose sales doing this.


Posted by: papajim | Mar 27, 2018 8:22:23 AM

\\\\\\\

I'll judge that when they release the numbers on the 5.3.

Until the mid 2000's it was one of the strongest truck motors out there. It still can be if they back off on the ATM and adjust the parameters. If the new DSF works as well as they say it will, you might find it to be much better than it has been lately.

I did not buy my ZR2 to rock crawl but to go fast thru places others go slow, no slowing down for wash outs, rocks, dips or speed bumps for me. Just like the Raptor is built for speed not crawling.
My last vehicle I took off the Bilstiens and installed Rancho's so it would not beat me to death. what a difference on and off road

I did not buy my ZR2 to rock crawl but to go fast thru places others go slow, no slowing down for wash outs, rocks, dips or speed bumps for me. Just like the Raptor is built for speed not crawling.
My last vehicle I took off the Bilstiens and installed Rancho's so it would not beat me to death. what a difference on and off road

@andrwken

Did you actually read what I said? I did not opine about the relative merits of the 5.3, I simply said that making upmarket buyers wait for the pricier drivetrain options is dumb. There is no debate about it.

It costs GM not a penny more to make a 6.2 compared to a 5.3 but they typically charge an extra $1000 for the 6.2 I can't understand why they leave that extra money on the table.

Hopefully the steering wheel lines up with the seat this time.

Those wheel wells still don't look right.

Ok now THIS trim looks good. Still trying to warm up to the wheel wells, however.

I will be looking at this when I’m in the market for a pickup in the next year or two.

Ok now THIS trim looks good. Still trying to warm up to the wheel wells, however.

I will be looking at this when I’m in the market for a pickup in the next year or two.

Looks good outside and inside,

Is it me or do the wheels/tires look tiny? I know they're 18-inch wheels, which are large enough, but they could use some bigger tires. Or maybe the truck is that HUGE!

The 5.3 is still a strong motor, but you have to get it tuned! Which is complete bogus if you ask anyone. Its night and day different if you re-tune it. Should we have too as consumers..HECK NO!!! They better have it fixed on this new one!

The 5.3 is still a strong motor, but you have to get it tuned! Which is complete bogus if you ask anyone. Its night and day different if you re-tune it. Should we have too as consumers..HECK NO!!! They better have it fixed on this new one!


Posted by: TNTGMC | Mar 27, 2018 10:54:37 AM

if you re-tune it and you have problems with the motor will GM void the warranty, i know this is always a touchy subject with Dealers

@ Eatin

Agreed, unless you have a great dealership. The one that works with me is wonderful....unfortunately it is not the case for everyone. And just reprogramming it to run better is judgmental, the minute you throw headers or a charger on it...yes all warranty is gone!! Unless of course you buy it directly from factory...which would run you atleast $10K

if you want a REAL off-road truck get a F-150 Raptor or a Toyota Tacoma

The guys that already own off-road trucks with monster tires , lift kits are the same ones that creep very slowly over the speed bumps at the local shopping center
ha-ha-ha I think that's funny! ha-ha-ha
ohhhh goo-chy goo are you afraid you might break it?
ha-ha-ha


Posted by: Ecoboost Rules | Mar 27, 2018 12:57:50 AM

Funny all you did there was perfectly describe the Raptor's natural environment. A *real* off road truck has a real 4WD setup, not the plastic hub lock junk Ford uses. Their IWE vac-assist system is an embarrassment. Take a Raptor off road in 4WD and it will only be a matter of time before the Torsen front diff rips those plastic gears to pieces lol. Happens all the time on the raptor forums.

@ Brawndo

You mean like this!!!

https://www.youtube.com/watch?v=b0MOfv7K80I

you mean like this

https://www.youtube.com/watch?v=P8ZOax5vVCM

@ Papa

The up-charge for a 6.2L over a 5.3L is $2695. That's what the window sticker said on my new Sierra.

I agree there shouldn't be any up-charge. They should make the 5.3l a beast that it can be, unlike the "nuter" job they give it from factory!

@ Eatin

Last time a checked, that Chevy wasn't made or bragging about being the best off road vehicle, unlike the Raptor!!!

That poor "SAP" that lifted his truck and RPM'd the heck out of it deserved what he got!


@ Eatin

Last time a checked, that Chevy wasn't made or bragging about being the best off road vehicle, unlike the Raptor!!!

last i checked the Raptor is a Desert Racer

That poor "SAP" that lifted his truck and RPM'd the heck out of it deserved what he got!

i hear ya same goes for the guy in the Raptor


Posted by: TNTGMC | Mar 27, 2018 1:36:34 PM

The up-charge for a 6.2L over a 5.3L is $2695. That's what the window sticker said on my new Sierra...Posted by: TNTGMC | Mar 27, 2018

@TNTGMC

thanks for that info, seriously. However, I ignore window stickers---they mean absolutely nothing. It's just a place to start negotiating, especially on a vehicle that sells north of $50k

In fact the two engines are far more similar than they are different.

I bet GM (AT4, Trailboss) and Ram Rebel will sell at least double trucks then the ford Craptor,

@ Papajim

You can try and ignore it all you want, but it won't get you anywhere!!!! Trust me, they value the 6.2L like crazy...you aren't getting rid of that $3K market no matter how you look at it!!

The 5.3 doesn’t get the 10 speed. Only the 6.2 and 3.0 in-line 6.

It still looks like a pumped up Colorado...can't wait to see how it will perform against the new RAM & others...

I think a lot of Sierra buyers will want that Black Chrome Grill on their regular 1500's. It will surely elicit some second looks. Good job toning down the grill logo. It was getting out of hand.
The front view is beautifully designed and flows throughout.

I know it's hard to meld design and function into something desirable without compromising somewhere, but Chevy's front fascia looks like someone took a hatchet to it. I hope those side curtains work really well because the optics leave a bad taste in my mouth.

No, not the Colorado, more like the Canyon, even has the same hood, which looks good I must add. Love the look of the Canyon Crew Cab long box diesels.

The 235/75-15 tires look good.......

Honestly though, minus the extra small tires it is a sharp truck otherwise.

The truck looks very good. It's nice again to see that the higher up management thinks that they most certainly are better than their customer. They have treated options such as the 6.2L for example like they will make it available as they feel like it and to a crowd that is accepted to them. If you aren't willing to spend big money on your truck they don't find you worthy of their standards and will restrict what powertrain you get because you simply aren't a good enough person to them. With previous years an engine was an engine and you didn't have to prove that you were worthy of their kind of people to get the powertrain that you wanted. Even my wife's diesel Cruze was judged by the class of people buying it. Somehow the base model buyers aren't good enough or smart enough to drive those uber complicated diesels and they must only be available in the top level options. This is how GM treats their 6.2L and soon to be 3.0L. You must prove you aren't lower class and want a luxury truck. Why on earth would they be willing to allow someone buying a truck for truck duty to have the better powertrain options? That's just ridiculous as they simply aren't good enough people to earn that right.

Don't hold back. Tell us what you really think Zippy.
I see your point though. I think it's kinda' snobbish not to offer Vinyl seats in anything but the WT class.

...you aren't getting rid of that $3K market no matter how you look at it!...Posted by: TNTGMC | Mar 27, 2018

The price you pay for a truck depends on how badly the VP sales or the Sales Manager wants to sell it on a given day. Pricing on Big 3 cars/trucks is all about making the dealers happy.

If your local dealer has four or five of a particular model weighing down his inventory he's very likely to make a deal. If he's having a hard time getting a popular model, it's hard to make a deal.

@andrwken

Did you actually read what I said? I did not opine about the relative merits of the 5.3, I simply said that making upmarket buyers wait for the pricier drivetrain options is dumb. There is no debate about it.

It costs GM not a penny more to make a 6.2 compared to a 5.3 but they typically charge an extra $1000 for the 6.2 I can't understand why they leave that extra money on the table.


Posted by: papajim | Mar 27, 2018 9:40:27 AM

Sure did.

You imply that people are out there just waiting in droves for the 6.2. You sir are wrong.

Maybe on this site, but most people do just fine with the 5.3 and will continue to buy it, especially if they can clean up some of the doggy nature due to mileage tuning.

A perfect example of this is when I bought my Yukon Denali, i bought it for the options, but most importantly the upgraded drivetrain, which back in 2007 when they came out with the 6.2\6speed combo, was class leading. No one had a 400+ hP SUV or truck but GM, and it was worth getting.

Now most of the Denali packages don't even offer performance or drivetrain upgrades on a lot of the GMC lineup. Just some interior upgrades or a better dashboard. They still get bought in droves.

I could not justify the extra cash on an Acadia Denali for the wife because mechanically nothing was better. Ended up with a Traverse because the 9 speed option offered better performance and mileage than the Acadia because even the Denali was stuck with the old 6 speed auto.

The point is, I've learned the mass majority are not guys who sit on a site like this and nitpick specs. They don't usually know what they hell they have. I had a friend buy an F-150 and he told me he got the smaller engine because he didn't need extra power and wanted better mileage. He chose the 3.5 EB over the 5.0 having no idea the EB was the more powerful motor. He literally thought he bought the less powerful engine and was also disappointed in the mileage.

You don't seem to have a good feel for the general buying public papa.

A lot of people would rather have the 6.2L. In testing the 6.2L has shown to achieve roughly the same mileage as the 5.3L. The 5.3L is a great motor, but a large number of people would rather buy the 6.2L. When you are forced to buy a high level package truck just to get it the decision is made to buy a standard truck and make use of what is available. The Colorado is a perfect example that requires the top level truck to buy the diesel. So If you own a company and want a diesel for your work truck you need to pay the big dollar so your employee's have a nicer truck to drive? An engine is part of what make the truck what you want. For GM they want to reward those willing to spend big money and ignore those simply not needing or wanting the high end truck. The idea that trucks have gone to the point that you need to buy a fully loaded truck to get the better powertrain is ridiculous.

A lot of people would rather have the 6.2L. In testing the 6.2L has shown to achieve roughly the same mileage as the 5.3L. The 5.3L is a great motor, but a large number of people would rather buy the 6.2L. When you are forced to buy a high level package truck just to get it the decision is made to buy a standard truck and make use of what is available. The Colorado is a perfect example that requires the top level truck to buy the diesel. So If you own a company and want a diesel for your work truck you need to pay the big dollar so your employee's have a nicer truck to drive? An engine is part of what make the truck what you want. For GM they want to reward those willing to spend big money and ignore those simply not needing or wanting the high end truck. The idea that trucks have gone to the point that you need to buy a fully loaded truck to get the better powertrain is ridiculous.


Posted by: Zippy | Mar 28, 2018 3:01:58 PM

While I don't disagree with your points, my point was that the general buying public doesn't give two sh*ts that the 5.3 has 60 less HP than the 6.2. Most people that aren't truck nerds think the 5.0 is the more powerful motor than the 3.5 EB. As long as it drives the way they want it to, so be it.

I buy the better drive trains because I'm a gear head from birth, with a father who drag raced in NHRA and ran his own transmission shop. If you don't have the pedigree it doesn't seem to be something people care about. I find more people asking me about how the new 4.3 is in the Silverado than the 6.2.

Trust me, I have owned numerous 6.2's. It is my engine of choice. But 9 times out of 10 when people ask me about which engine I prefer, I tell them the 6.2 for all the points you mentioned. When I ask them what they bought later, they said the 5.3 felt plenty powerful for what they need.

Cars will become appliances, just like every other tech over time. People are already losing interest in what makes them tick.

The majority of the people I know that bought the 5.3L were because the dealer only had the 6.2L in trucks that were 5-10k more than the truck they were looking at with the 5.3L because it was loaded with options. I even get people come to my shop with fresh new 5.3L trucks asking about a supercharger when they could have just bought the 6.2L with similar power to a low boosted 5.3L and safer. The new 5.3L's are 11:1 compression and shouldn't be boosted unless set up just right and with the right fuel. The 6.2L also has the bigger rear diff. I think if it were simply 1k more than the 5.3L and available on everything a lot more would buy it. I hope they don't make the new diesel only a top shelf engine as well.



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