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Always looking for better ways to get things done. That’s the pro way. It’s what drove GMC engineers to create Sierra. With its strong, elevated stance, revolutionary capabilities, innovative technologies and remarkable power, Sierra leads in the best possible way: by example.
The 2021 GMC Sierra 1500 is the peak of GMC design and capability. Its powerful engines, innovative technologies, premium features and purposeful designs give the confidence you need to conquer the terrain.
Included with the available 5.3L V8 and 6.2L V8 gas engines, the Dynamic Fuel Management system enables the engine to operate in 17 different patterns between 2 and 8 cylinders, depending on demand, to optimize power delivery and efficiency.
10-speed automatic transmission features closer gear spacing that allows the engine to operate in an optimal range at all times with varying load and terrain conditions. Electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking.*
Traction Select System adjusts Sierra’s transmission shift points, throttle mapping and StabiliTrak® to optimize performance for the situation. The available modes in the Traction Select System are:
Learn more about Sierra’s Traction Select system on GMC Life
TOW UP TO
11,800 LBS*
CITY/HWY UP TO
20/23 MPG*
with in-vehicle Trailering App*
on SLT
TOW UP TO
9,200 LBS*
CITY/HWY UP TO
16/21 MPG*
TOW UP TO
9,200 LBS*
CITY/HWY UP TO
17/23 MPG*
