X 2007 Mercedes-Benz E550 4matic

5.5 L, 8 cyl, Auto 5-spd, Premium Gasoline

EPA Fuel Economy

Combined: 16 MPG

City: 14 MPG

Highway: 20 MPG

X 2011 Chevrolet Avalanche 1500 2WD

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

MSRP: $36,300

EPA Fuel Economy

Regular Gasoline

Combined: 17 MPG

City: 15 MPG

Highway: 21 MPG

E85

Combined: 13 MPG

City: 11 MPG

Highway: 16 MPG