X 2005 Cadillac STS AWD

4.6 L, 8 cyl, Auto (S5), Premium Gasoline

EPA Fuel Economy

Combined: 17 MPG

City: 14 MPG

Highway: 21 MPG

X 2011 Nissan Frontier 2WD

2.5 L, 4 cyl, Man 5-spd, Regular Gasoline

MSRP: $18,200 - $29,380

EPA Fuel Economy

Combined: 21 MPG

City: 19 MPG

Highway: 23 MPG