2021 GMC Sierra 4WD AT4 MPG

Select 2021 GMC Sierra 4WD AT4 Vehicles Option

Auto 10-spd, 8 cyl, 6.2 L, SIDI; Stop-Start
City: 15 MPG
Highway: 19 MPG
Type Fuel or Technology: Gasoline Vehicle ⛽
Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo
City: 22 MPG
Highway: 26 MPG
Type Fuel or Technology: Diesel Vehicle ⛽
Auto 10-spd, 8 cyl, 5.3 L, SIDI
City: 16 MPG
Highway: 21 MPG
Type Fuel or Technology: Gasoline Vehicle ⛽
Auto 10-spd, 8 cyl, 6.2 L, SIDI
City: 14 MPG
Highway: 19 MPG
Type Fuel or Technology: Gasoline Vehicle ⛽
Auto 10-spd, 8 cyl, 5.3 L, SIDI
City: 15 MPG
Highway: 21 MPG
Type Fuel or Technology: Gasoline Vehicle ⛽
Auto 6-spd, 8 cyl, 5.3 L, SIDI
City: 14 MPG
Highway: 18 MPG
Type Fuel or Technology: Gasoline Vehicle ⛽
Auto 8-spd, 8 cyl, 5.3 L, SIDI; with Cylinder Deactivation
City: 16 MPG
Highway: 21 MPG
Type Fuel or Technology: Gasoline Vehicle ⛽
Auto 8-spd, 8 cyl, 5.3 L, SIDI
City: 14 MPG
Highway: 20 MPG
Type Fuel or Technology: Gasoline Vehicle ⛽