X 2009 GMC Sierra K15 AWD

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

EPA Fuel Economy

Regular Gasoline

Combined: 14 MPG

City: 12 MPG

Highway: 19 MPG

E85

Combined: 11 MPG

City: 9 MPG

Highway: 14 MPG

X 2008 Jaguar XK

4.2 L, 8 cyl, Auto 6-spd, Premium Gasoline

EPA Fuel Economy

Combined: 19 MPG

City: 16 MPG

Highway: 25 MPG