GMC Sierra 1500: AT4 vs. AT4X
What sets the GMC Sierra AT4 apart from the AT4X? Learn more about the key differences between these two trims – including suspension and off-road performance, interior features, tech, and overall value.
PRICE and engine
- While the AT4 has a starting price of $68,000, the AT4X takes a significant jump in price, starting at $81,000.
- The engine is typically one of the largest influences on vehicle price, but the AT4 and AT4X offer the same engine options. Both vehicles come equipped with a 3.0L Duramax Turbo-Diesel engine, with 305 Horsepower and 495 lb-ft of torque. An upgrade to a 6.2L V8 engine is available, giving your truck 420 Horsepower and 460 lb-ft of torque.
Wheel and Tire Packages
- The AT4 gives a refined style to its wheels and tires, with the ability to choose between 18-20 inch wheels. Tires on the AT4 are designed for all-terrain use but are slightly more luxurious in appearance. The AT4X takes on a much more rugged look, with wheels and tires that were designed with off-roading in mind.
- Elevate your GMC to the next level with Krietz Customs aftermarket upgrades. View available wheel and tire packages HERE!
Suspension
- Both the AT4 and AT4X come standard with a two-inch factory lift. However, there are some differences between the lift quality on each vehicle. The AT4 comes with a light duty off-road suspension and Rancho monotube shocks.
- The AT4X contains Multimatic DSSV shocks and dampeners. These DSSVs (Dynamic Suspensions Spool Valve) contain three chambers: Two designed to work against your terrain and another that separates your vehicle’s hydraulic fluid from its nitrogen charge. These upgrades allow for the AT4X to perform in dynamic off-road situations while moving at higher speeds.
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Exterior and Tailgate
- The AT4X comes standard with an AEV heavy-duty bumper, with the option to upgrade to a full AEV-edition vehicle. This is not an available option on the AT4. With the AEV bumper, your GMC will have a slightly wider stance and is better suited for a variety of off-road terrains.
- Both the AT4 and the AT4X come standard with GMC’s Multi-Functional tailgate. The AT4X tailgate comes with several minor upgrades to the tailgate, including a Kicker audio system and and a hitch-view angle available on the backup camera.
Interior
- The interiors of these two vehicles are mostly similar, with identical 13.4-inch displays and leather seats. Both vehicles come with CarPlay, Wi-Fi accessibility, pedestrian alerts and adaptive cruise control.
- The AT4X will bring some extra additions to your interior, including a heads-up display, upgraded leather seats, and a digital rear-view display. The interior also includes suede headliner, a power sunroof and Bose surround sound speakers.
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