What does AT4 stand for GMC?
Sophia Vance
Published Jan 20, 2026
AT4 stands for All-Terrain 4WD. This is a trim level that GMC first introduced with the GMC Sierra 1500 back in 2019. It was a more premium trim and fell between the SLT and Denali versions. Now, the AT4 trim is available on other vehicles besides the Sierra 1500.
Is AT4 higher than Denali?
Both the 2019 GMC Sierra AT4 and the 2019 GMC Sierra Denali are competitively priced. Again, the Denali is the Sierra's top trim, so it is more expensive, but you get more standard content at a higher price.What does AT4 Mean on Chevy?
AT4, which stands for "All-Terrain 4WD," basically puts off-road first in these particular trucks and SUVs, but it's "premium" off-road (don't forget that). Bright red recovery rings protruding through the front bumper are the unofficial identifiers for GMC rigs that are updated with the AT4 off-road package.What is the difference between a GMC Denali and a GMC AT4?
The top-level Denali is home to the 6.2L V8 engine, reaching best-in-class 420 horsepower and 460 lb-ft of torque. The AT4, on the other hand, sees the 5.3L V8 engine powering it forward, with 355 horsepower and 383 lb-ft of torque.What is the Chevy equivalent to the GMC AT4?
The 2022 GMC Sierra AT4 and 2022 Chevy Silverado Trail Boss are similar in a number of ways – both are GM full-size pickups equipped for off-roading adventures, with the GM T1 body-on-frame platform under the skin.What is a AT4 GMC Sierra?
What does a Denali have that an AT4 doesnt?
It's clear that the Denali trim has more technology and safety offerings than the AT4. You'll get a larger 8-inch GMC Infotainment System with in-built navigation on the Denali. The higher trim also receives a wireless charging system and Bose 7-speaker audio system.Is the AT4 worth it?
But is the GMC AT4 package worth it? We'd say so, but it definitely depends on what you're in the market for, and how much you're willing to spend. When it comes to purchasing a four-wheel drive, MotorTrend reports it's worth considering the GMC AT4 package—just be prepared to pay extra.What is the AT4 premium package?
The 2021 GMC Yukon AT4 Premium Package is tagged with RPO code RGM, and includes the content of four separate packages and upgrades, including the Rear Seat Media & Nav Package, the Panoramic Sunroof, the Power Articulated Lighted Assist Steps, and the Technology Package.What is the difference between AT4 and Z71?
The 2021 GMC Yukon AT4 begins at around $64,800, while the 2021 Chevy Tahoe Z71 starts at about $59,200. In the Yukon, you get a 5.3-liter V8 engine with 335 hp and 383 lb-ft of torque. You also get a 5.3-liter V8 engine in the Tahoe with 355 hp and 383 lb-ft of torque.What does Denali mean in GMC?
What Is the GMC Denali? Named after the highest mountain peak in North America, Denali is the most premium trim in each model lineup — the pinnacle of GMC luxury and a pure expression of what it means to be Professional Grade.Is the GMC AT4 all time 4 wheel drive?
2019 GMC Sierra AT4 trim levelThe AT4 stands for All-Terrain four-wheel drive and it's the off-road specialist in the GMC lineup.