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Fuel Economy of 2003 GMC Sierra
EPA MPG
MODEL City Comb Hwy
2003 GMC Sierra 1500 2WD 6 cyl, 4.3 L, Automatic 4-spd, Regular Gasoline
Compare2003 GMC Sierra 1500 2WD
14

City

16

Combined

19

Highway

2003 GMC Sierra 1500 2WD 6 cyl, 4.3 L, Manual 5-spd, Regular Gasoline
Compare2003 GMC Sierra 1500 2WD 14

City

16

Combined

19

Highway

2003 GMC Sierra 1500 2WD 8 cyl, 4.8 L, Automatic 4-spd, Regular Gasoline
Compare2003 GMC Sierra 1500 2WD
14

City

15

Combined

18

Highway

2003 GMC Sierra 1500 2WD 8 cyl, 4.8 L, Manual 5-spd, Regular Gasoline
Compare2003 GMC Sierra 1500 2WD
14

City

16

Combined

19

Highway

2003 GMC Sierra 1500 2WD 8 cyl, 5.3 L, Automatic 4-spd, Regular Gasoline
Compare2003 GMC Sierra 1500 2WD
13

City

15

Combined

17

Highway

2003 GMC Sierra 1500 4WD 6 cyl, 4.3 L, Automatic 4-spd, Regular Gasoline
Compare2003 GMC Sierra 1500 4WD
13

City

15

Combined

17

Highway

2003 GMC Sierra 1500 4WD 6 cyl, 4.3 L, Manual 5-spd, Regular Gasoline
Compare2003 GMC Sierra 1500 4WD 13

City

14

Combined

17

Highway

2003 GMC Sierra 1500 4WD 8 cyl, 4.8 L, Automatic 4-spd, Regular Gasoline
Compare2003 GMC Sierra 1500 4WD 13

City

14

Combined

16

Highway

2003 GMC Sierra 1500 4WD 8 cyl, 4.8 L, Manual 5-spd, Regular Gasoline
Compare2003 GMC Sierra 1500 4WD 13

City

14

Combined

16

Highway

2003 GMC Sierra 1500 4WD 8 cyl, 5.3 L, Automatic 4-spd, Regular Gasoline
Compare2003 GMC Sierra 1500 4WD
13

City

14

Combined

16

Highway

2003 GMC Sierra Denali 1500 AWD 8 cyl, 6.0 L, Automatic 4-spd, Regular Gasoline
Compare2003 GMC Sierra Denali 1500 AWD
11

City

13

Combined

15

Highway

2003 GMC Sierra 1500 2WD 8 cyl, 5.3 L, Automatic 4-spd, Regular Gas or E85
Compare2003 GMC Sierra 1500 2WD Gas 13

City

15

Combined

18

Highway

E85 10

City

11

Combined

13

Highway

2003 GMC Sierra 1500 4WD 8 cyl, 5.3 L, Automatic 4-spd, Regular Gas or E85
Compare2003 GMC Sierra 1500 4WD Gas 12

City

14

Combined

16

Highway

E85 9

City

10

Combined

12

Highway