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.
Included and only available with 5.3L EcoTec3 V8 engine on 4WD models, 6.2L EcoTec3 V8 engine or Duramax 3.0L Turbo-Diesel I6 engine.
Sierra is the first truck in its class to offer a 2-speed AutoTrac transfer case with an active automatic 4WD setting that provides seamless shifting between two- and four-wheel drive based on road conditions.
Outside, the stance is tall and bold, and inside the large proportions help give you the added confidence of sitting high. You can also stretch out with Sierra crew cab’s class-leading expansive front head and leg room.
Wider rear-door openings and ample rear-seat leg room help make your passengers feel comfortable, while rear vents and available leather-appointed heated rear outboard seats help them stay that way.
On the road, you want to stay plugged in. With multiple USB ports, you and your passengers can charge up and keep going.
Standard on every new GMC - GMC Pro Grade Protection has you truly protected with features and services including:
Adaptive Cruise Control can automatically maintain a driver-selected gap time from the detected vehicle you’re following while you steer. This feature reduces the need to frequently brake and accelerate when you’re driving.
Front and Rear Park Assist can provide distance alerts to nearby detected objects in front of or behind your vehicle to help you park and avoid collisions at low speeds.
Provides fingertip control and monitoring of your trailer brakes. The in-vehicle Trailering App allows drivers to program trailer brake level settings to specific trailer profiles. Available on Sierra, SLE and Elevation. Standard on SLT, AT4 and Denali.