X 2012 GMC Sierra 15 Hybrid 2WD

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

MSRP: $40,010 - $46,790

EPA Fuel Economy

Combined: 21 MPG

City: 20 MPG

Highway: 23 MPG

X 2010 Mazda CX-9 2WD

3.7 L, 6 cyl, Auto (S6), Regular Gasoline

MSRP: $28,805 - $32,815

EPA Fuel Economy

Combined: 18 MPG

City: 16 MPG

Highway: 22 MPG