GMC Takes Heavy Responsibility Additional Off-Street with First-Ever Sierra HD AT4X and Excessive AEV Version

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By Car Brand Experts


GMC Takes Heavy Responsibility Additional Off-Street with First-Ever Sierra HD AT4X and Excessive AEV Version

2023-05-01


  • Enhanced off-road functionality matched with accessible 18,500-pound max trailering1
  • Provides essentially the most trailering tech in its class2 and first-class luxurious options
  • Specialised AEV Version presents excessive functionality and confidence off-road

DETROIT – GMC first elevated key off-road truck segments with the premium and succesful Sierra 1500 AT4X and Canyon AT4X. In the present day, GMC introduced the following step with the first-ever 2024 GMC Sierra HD AT4X — that includes the Sierra HD AT4X AEV Version — a truck that permits adventurers to go additional whereas nonetheless having the towing functionality important for heavy obligation haulers.

The Sierra HD AT4X bolsters GMC’s lineup of premium off-road vans, balancing elevated off-road functionality, clean on-road dealing with, providing essentially the most trailering expertise in its class2 and first-class luxurious and luxury options.

“GMC’s AT4X trim, which might be accessible throughout all the GMC truck lineup, presents prospects extra premium selections relating to ‘do-it-all’ capabilities,” mentioned Duncan Aldred, world vice chairman, Buick-GMC. “Every mannequin delivers distinctive strengths, with the all-new Sierra HD AT4X taking it to the max, giving our prospects essentially the most luxurious and most off-road succesful HD we have ever provided. AT4X means you’ll be able to conquer virtually any terrain, in full consolation and with the towing energy to carry your leisure toys, gear or camper alongside for the journey.”

AT4X: Premium off-roading the GMC approach

Constructing on the muse of the revamped 2024 Sierra HD, which receives contemporary design updates, new accessible premium interiors and an all-new tech-focused structure, the brand new Sierra HD AT4X’s highlights embody:

  • Obtainable 18,500-pound max trailering capability1
  • Manufacturing facility-installed 1.5-inch (38mm) suspension raise
  • Multimatic DSSV dampers
  • Rear e-locking differential
  • 35-inch Goodyear Territory tires
  • Particular entrance higher and decrease management arms and particular steering knuckles
  • Bigger metal switch case skid plate and entrance aluminum skid plate
  • Distinctive Obsidian Rush inside that includes premium appointments like massaging, full-grain leather-wrapped entrance seats

The Sierra HD AT4X additionally features a new Off-Street Mode. When engaged, the Off-Street Mode adjusts varied automobile calibrations, such because the anti-lock brakes, traction management and stability management, to supply optimized efficiency when venturing off-road. Moreover, Off-Street Mode alters throttle development and transmission shifts to permit for higher off-road management and efficiency.

Excessive AEV Version

The accessible AT4X AEV Version provides strong stamped metal bumpers with built-in restoration factors and entrance winch functionality which offer extra driver confidence and safety. It additionally options heavy obligation metal skid plates that assist maintain very important parts such because the steering gear and switch case protected on the path. Further options embody distinctive 18-inch Salta wheels and distinctive exterior badging and inside cues.

“The Sierra HD is a perfect basis relating to on-road efficiency, off-road functionality and insane pulling energy,” mentioned AEV CEO and founder Dave Harriton. “As with the Sierra 1500 earlier than it, we took AEV’s signature performance-driven strategy and dedication to element to raise the elements that off-road prospects need and demand of their heavy-duty truck. The result’s an superior truck with functionality and confidence in all the appropriate spots.”

Heavy Responsibility functionality: Turbocharged pulling energy

Along with the usual 6.6L gasoline engine, the brand new AT4X presents the turbocharged pulling energy of the accessible 6.6L Duramax Turbo-Diesel. Enhanced for 2024, it would ship 470 horsepower and 975 lb-ft of torque, providing extra energy throughout all the working pace vary.

Each engines are paired with an Allison 10-speed computerized transmission, which is designed to optimize engine energy, torque and effectivity.

Confidence-inspiring trailering tech

Together with the remainder of the 2024 Sierra HD lineup, the brand new AT4X presents essentially the most trailering help applied sciences within the heavy-duty class2 in addition to the accessible ProGrade Trailering System.

It features a suite of obtainable clever help applied sciences designed to assist streamline the hitching and towing course of, with built-in instruments that may assist improve prospects’ security and confidence, together with accessible enhanced, industry-first Clear Trailer View4 for Gooseneck and Fifth Wheel Trailering, accessible Trailer Facet Blind Zone Alert5 and new, accessible Adaptive Cruise Management5 with Trailering.

Moreover, there are as much as 14 accessible digital camera views6 together with Hitch View, Mattress View with Zoom and Mattress Hitch Steerage, and Rear Facet View with Trailer Size Indicator.

First-class inside luxurious and luxury

The primary-ever Sierra HD AT4X presents the luxurious appointments and luxury in a premium, off-road-capable HD pickup, with the unique Obsidian Rush inside that options energy massaging entrance seats and full-grain leather-wrapped seats all through in addition to genuine Vanta Ash wooden décor and 12-speaker Bose® Premium Sequence audio system with Centerpoint encompass expertise. The AEV Version additionally options the AEV brand on the front-seat head restraints and distinctive AEV-branded flooring liners.

The centerpiece of the brand new cabin is an all-new, tablet-style 13.4-inch-diagonal infotainment3 touchscreen. It’s complemented by a 12.3-inch-diagonal configurable driver info heart and a 15-inch-diagonal head-up show. Collectively, they supply prospects unimaginable ranges of personalization and intuitive engagement.

Coming in Q3 2023

The 2024 GMC Sierra HD AT4X and AT4X AEV Version are anticipated to reach at dealerships within the fall of 2023. Pricing might be introduced nearer to the beginning of manufacturing.

About GMC
GMC presents a spread of premium vans and SUVs designed and engineered to the best customary. With autos just like the compact Terrain and full-size Yukon, all-new Canyon and Sierra light-duty, in addition to the world’s first all-electric supertruck, the GMC HUMMER EV, our vans and SUVs ship GMC’s signature mixture of intuitive applied sciences, exact engineering and premium execution. Constructed on a powerful basis of producing vans since 1902, GMC now sells in a dozen international locations internationally. Particulars on all fashions can be found at www.gmc.com, Instagram at @GMC, Twitter at @GMC or at www.fb.com/gmc.

About AEV
American Expedition Autos (AEV) has now been on the reducing fringe of the 4WD {industry} for over 25 years, constantly pushing the boundaries of design and innovation. The purpose has all the time been easy: present the best high quality off-road elements and equipment accessible anyplace on the earth, interval.

1Sierra HD AT4X’s 18,500-lb max ranking requires accessible 6.6L Diesel engine and traditional towing. Before you purchase a automobile or use it for trailering, rigorously assessment the Trailering part of the Proprietor’s Handbook. The burden of passengers, cargo and choices or equipment might scale back the quantity you’ll be able to tow.

2Class is gasoline and diesel heavy obligation pickups within the GM Massive Pickup section. Based mostly on newest aggressive knowledge accessible.

3GMC Infotainment System performance varies by mannequin. Full performance requires suitable Bluetooth and smartphone, and USB connectivity for some system.

4Security or driver help options aren’t any substitute for the motive force’s accountability to function the automobile in a protected method. Learn the automobile Proprietor’s Handbook for essential characteristic limitations and data. Requires accessible accent digital camera and set up. Not suitable with all trailers. See your vendor for particulars.

5Security or driver help options aren’t any substitute for the motive force’s accountability to function the automobile in a protected method. Learn the automobile’s proprietor’s guide for essential characteristic limitations and data.

6Security or driver help options aren’t any substitute for the motive force’s accountability to function the automobile in a protected method. Learn the automobile Proprietor’s Handbook for essential characteristic limitations and data. Some digital camera views require accessible accent digital camera and set up. Not suitable with all trailers. See your vendor for particulars.

2024 GMC SIERRA AT4X & AT4X AEV EDITION SPECIFICATIONS

CONFIGURATION

2500HD

Crew Cab Normal Mattress (4WD)

 

ENGINES

Kind:

6.6L V-8 gasoline or E85 FlexFuel

Bore & Stroke (in. / mm):

4.06 x 3.86 / 103.25 x 98

Block Materials:

Forged iron with nodular iron primary caps

Cylinder Head Materials:

Forged aluminum

Compression Ratio:

10.8:1

Valvetrain:

Overhead-valve, two valves per cylinder, variable valve timing

Gas Supply:

Direct gas injection

Horsepower (hp / kW @ rpm):

401 / 299 @ 5200 (SAE licensed – gasoline)

Torque (lb.-ft. / Nm @ rpm):

464 / 629 @ 4000 (SAE licensed – gasoline)

Kind:

Duramax 6.6L V-8 Turbo-Diesel

Bore & Stroke (in. / mm):

4.05 x 3.89 / 103 x 99

Block Materials:

Forged iron

Cylinder Head Materials:

Forged aluminum

Compression Ratio:

16.0:1

Valvetrain:

Overhead-valve, 4 valves per cylinder

Gas Supply:

Widespread-rail direct gas injection

Horsepower (hp / kW @ rpm):

470 / 350 @ 2800 (per SAE J1349)

Torque (lb.-ft. / Nm @ rpm):

975 / 1322 @ 1600 (per SAE J1349)

 

TRANSMISSION & AXLE

Kind:

Allison® 10L1000 10-speed computerized

Gear Ratios (:1):

 

First

4.54

Second

2.87

Third

2.06

Fourth

1.72

Fifth

1.48

Sixth

1.26

Seventh

1.00

Eighth

0.85

Ninth

0.69

Tenth

0.63

Reverse

4.54

Last Drive Ratio:

3.73 (6.6L gasoline)
3.42 (6.6L diesel)

 

CHASSIS & SUSPENSION

Entrance Suspension:

Unbiased entrance suspension with torsion bars

Rear Suspension:

Semi-elliptic, two-stage, multi-lead springs

Steering Kind:

Hydraulic power-assisted recirculating ball

Brake Kind:

Hydraulic power-assisted Hydroboost brake booster, four-wheel disc brakes with ABS and Stabilitrak digital stability help

Brake Rotor Measurement (in. / mm):

Entrance: 14 x 1.6 / 355 x 40
Rear: 14.1 x 1.3 / 360 x 34

Wheel Measurement:

18 x 9-in. aluminum

Tire Measurement:

LT305/70R18 MT

 

FUEL TANK CAPACITY (approx.)

Gas Tank (gal. / L):

36 / 136 (gasoline and diesel)

 

EXTERIOR DIMENSIONS

Wheelbase (in. / mm):

159.1 / 4042

General Size (in. / mm):

250.7 / 6369 (AT4X)
252 / 6401 (AT4X AEV Version)

General Width (in. / mm):

81.9 / 2079 (with out mirrors)
105.1 / 2670 (with mirrors prolonged)

General Top (in. / mm):

82.6 / 2100

Entrance Monitor (in. / mm):

69.3 / 1762

Rear Monitor (in. / mm):

70.0 / 1760

Floor Clearance (in. / mm):

11.6 / 295 (AT4X)
11.7 / 299 (AT4X AEV Version)

Strategy Angle (deg.):

31.6 (AT4X)
29.8 (AT4X AEV Version)

Departure Angle (deg.):

25.7 (AT4X & AT4X AEV Version)

Breakover Angle (deg.):

21.2 (AT4X)
22.6 (AT4X AEV Version)

 

INTERIOR DIMENSIONS

Headroom (in. / mm):

43.03 / 1093 (entrance)
40.12 / 1019 (rear)

Legroom (in. / mm):

44.53 / 1131 (entrance)
43.4 / 1102 (rear)

Shoulder Room (in. / mm):

66.02 / 1677 (entrance)
65.3 / 1659 (rear)

Hip Room (in. / mm):

61.18 / 1554 (entrance)
60.24 / 1530 (rear)

 

CURB WEIGHT, GVWR & PAYLOAD1

Base Curb Weight (lb. / kg):

7516 / 3409 – AT4X gasoline
8237 / 3736 – AT4X diesel
7894 / 3581 – AT4X AEV Version gasoline
8605 / 3903 – AT4X AEV Version diesel

GVWR (lb. / kg):

10850 / 4921 – AT4X gasoline
11350 / 5148 – AT4X diesel
10850 / 4921 – AT4X AEV Version gasoline
11350 / 5148 – AT4X AEV Version diesel

Payload1 (lb. / kg):

3291 / 1493 – AT4X gasoline
3068 / 1392 – AT4X diesel
2912 / 1321 – AT4X AEV Version gasoline
2701 / 1225 – AT4X AEV Version diesel

1For comparability functions solely. See the proprietor’s guide and the label on the automobile door jamb for the carrying capability of a selected automobile.

MAX TRAILERING1

Typical (lb. / kg):

16000 / 7257 – AT4X gasoline
18500 / 8391 – AT4X diesel
16000 / 7257 – AT4X AEV Version gasoline
18400 / 8346 – AT4X AEV Version diesel

Fifth-Wheel/Gooseneck
(lb. / kg):

18000 / 8165 – AT4X gasoline
17300 / 7847 – AT4X diesel
16200 / 7348 – AT4X AEV Version gasoline
14800 / 6713 – AT4X AEV Version diesel

1Before you purchase a automobile or use it for trailering, rigorously assessment the Trailering part of the Proprietor’s Handbook.

NOTE: All towing capabilities measured utilizing SAE J2807 metrics.

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