2020 GMC Sierra 1500 AT4: What You Need to Know

November 7th, 2019 by

2020 GMC Sierra AT4

Sierra AT4 offers authentic off-road capability and innovative technology paired with premium refinement. It features a 2-inch factory suspension lift, standard 4WD with a two-speed transfer case, locking rear differential, skid plates, Rancho monotube shocks, 18-inch wheels with available Goodyear Wrangler DuraTrac tires (20-inch wheels available), Hill Descent Control, Traction Select System, MultiPro Tailgate, exclusive exterior and interior trim, red vertical recovery hooks and a standard 5.3L V-8 engine (additional engines available)
The 2020 1500 AT4 has two available engine options (both with 10-spd. automatic transmissions):

  • 6.2L V-8 with new Dynamic Fuel Management produces 420 HP and 460 lb.-ft. torque and gets 15 mpg city and 19 mpg HWY.
  • 3.0L I-6 turbo-diesel produces 277 HP and 460 lb.-ft. torque and gets 22 mpg city and 26 mpg HWY.

Other notable highlights of the 2020 GMC Sierra 1500 AT4 include 10.9 inches of claimed ground clearance, a surround-view camera system, an auto locking rear differential and smooth Rancho shocks.
Check out the 2020 GMC Sierra 1500 AT4 https://www.smailbuickgmc.com/VehicleSearchResults?search=new&make=GMC&model=Sierra%201500

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