X 2000 Rolls-Royce Corniche

6.7 L, 8 cyl, Auto 4-spd, Premium Gasoline

EPA Fuel Economy

Combined: 12 MPG

City: 10 MPG

Highway: 15 MPG

X 1999 Pontiac Bonneville

3.8 L, 6 cyl, Auto 4-spd, Regular Gasoline

EPA Fuel Economy

Combined: 20 MPG

City: 17 MPG

Highway: 25 MPG