X 2009 GMC Sierra K15 4WD

5.3 L, 8 cyl, Auto 6-spd, Regular Gasoline or E85

EPA Fuel Economy

Regular Gasoline

Combined: 16 MPG

City: 14 MPG

Highway: 20 MPG

E85

Combined: 12 MPG

City: 10 MPG

Highway: 15 MPG

X 1988 Pontiac Sunbird

2.0 L, 4 cyl, Auto 3-spd, Regular Gasoline

EPA Fuel Economy

Combined: 25 MPG

City: 23 MPG

Highway: 29 MPG