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Fuel Economy of 2006 Cadillac STS
EPA MPG
MODEL City Comb Hwy
2006 Cadillac STS 6 cyl, 3.6 L, Automatic (S5), Regular Gasoline
Compare2006 Cadillac STS
16

City

19

Combined

25

Highway

2006 Cadillac STS 8 cyl, 4.6 L, Automatic (S5), Premium Gasoline
Compare2006 Cadillac STS 15

City

18

Combined

24

Highway

2006 Cadillac STS AWD 6 cyl, 3.6 L, Automatic (S5), Regular Gasoline
Compare2006 Cadillac STS AWD
15

City

18

Combined

23

Highway

2006 Cadillac STS AWD 8 cyl, 4.6 L, Automatic (S5), Premium Gasoline
Compare2006 Cadillac STS AWD
14

City

17

Combined

21

Highway

2006 Cadillac STS-V 8 cyl, 4.4 L, Automatic (S6), Premium Gasoline
Compare2006 Cadillac STS-V
12

City

14

Combined

19

Highway