X 2001 Ford F150 CNG

5.4 L, 8 cyl, Auto 4-spd, Natural Gas

EPA Fuel Economy

Combined: 13 MPG

City: 11 MPG

Highway: 15 MPG

X 2010 GMC Yukon 1500 Hybrid 2WD

6.0 L, 8 cyl, Auto (variable gear ratios), Regular Gasoline

MSRP: $51,185

EPA Fuel Economy

Combined: 22 MPG

City: 21 MPG

Highway: 22 MPG