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Fuel Economy of 2010 Cadillac STS
EPA MPG
MODEL City Comb Hwy
2010 Cadillac STS 6 cyl, 3.6 L, Automatic (S6), Regular Gasoline
2010 Cadillac STS 18

City
21

Combined

 27

Highway
2010 Cadillac STS 8 cyl, 4.6 L, Automatic (S6), Regular Gasoline
2010 Cadillac STS 15

City
18

Combined

 24

Highway
2010 Cadillac STS AWD 6 cyl, 3.6 L, Automatic (S6), Regular Gasoline
2010 Cadillac STS AWD 18

City
21

Combined

 27

Highway
2010 Cadillac STS AWD 8 cyl, 4.6 L, Automatic (S6), Regular Gasoline
2010 Cadillac STS AWD 15

City
17

Combined

 22

Highway