GMC Sierra Cab Chassis 4WD 2020

The 2020 GMC Sierra Cab Chassis 4WD is a pickup truck that offers 14/16 MPG city/highway, plus a 15 MPG combined estimate. Available trim information includes Auto 6-spd, 6 cyl, 4.3 L, which helps narrow the exact configuration when comparing listings.

Under the hood, it features a 6-cylinder 4.3L engine paired with an Automatic 6-spd transmission. The 4-Wheel Drive drivetrain and Regular fuel setup give shoppers a quick snapshot of expected driving feel, ownership costs, and everyday usability.

With a Regular engine and 4-Wheel Drive drivetrain, the 2020 GMC Sierra Cab Chassis 4WD is suited for towing, hauling, and work-ready daily driving. Before buying, compare service history, real-world MPG, tire condition, and feature differences across trims so the listing matches the specs shown here.