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Fuel Economy of 2014 GMC Sierra
EPA MPG
MODEL City Comb Hwy
2014 GMC Sierra C15 2WD 8 cyl, 5.3 L, Automatic 6-spd, Regular Gas or E85
Compare2014 GMC Sierra C15 2WD Gas 16

City

19

Combined

23

Highway

E85 12

City

14

Combined

17

Highway

2014 GMC Sierra K15 4WD 8 cyl, 5.3 L, Automatic 6-spd, Regular Gas or E85
Compare2014 GMC Sierra K15 4WD
Gas 16

City

18

Combined

22

Highway

E85 12

City

13

Combined

16

Highway

2014 GMC Sierra C15 2WD 6 cyl, 4.3 L, Automatic 6-spd, Regular Gas or E85
Compare2014 GMC Sierra C15 2WD Gas 18

City

20

Combined

24

Highway

E85 12

City

14

Combined

16

Highway

2014 GMC Sierra K15 4WD 6 cyl, 4.3 L, Automatic 6-spd, Regular Gas or E85
Compare2014 GMC Sierra K15 4WD Gas 17

City

19

Combined

22

Highway

E85 12

City

13

Combined

15

Highway

2014 GMC Sierra C15 2WD 8 cyl, 6.2 L, Automatic 6-spd, Regular Gasoline
Compare2014 GMC Sierra C15 2WD 15

City

17

Combined

21

Highway

2014 GMC Sierra K15 4WD 8 cyl, 6.2 L, Automatic 6-spd, Regular Gasoline
Compare2014 GMC Sierra K15 4WD 14

City

17

Combined

20

Highway