Last Update: Apr. 23, 2019, 5:08 a.m.

GMC S15 Fuel Consumption

Year Modification Recommended fuel City consumption Highway Economy Combined cycle Consumption per year
1990 S15 Pickup 2WD 2.5 L, 4 cylinders, Manual 5-speeds Regular or Plus 21 mpg 21.99 mpg 25 mpg 2385L
1990 S15 Pickup 2WD 2.5 L, 4 cylinders, Automatic 4-speeds Regular or Plus 18 mpg 21 mpg 25 mpg 2385L
1990 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 17 mpg 19 mpg 24.01 mpg 2703L
1990 S15 Jimmy 2WD 4.3 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1990 S15 Pickup 2WD 4.3 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1990 S15 Jimmy 2WD 4.3 L, 6 cylinders, Manual 5-speeds Regular or Plus 15 mpg 18 mpg 21.99 mpg 2862L
1990 S15 Pickup 2WD 4.3 L, 6 cylinders, Manual 5-speeds Regular or Plus 15 mpg 18 mpg 21.99 mpg 2862L
1990 S15 Jimmy 4WD 4.3 L, 6 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 17 mpg 20 mpg 3021L
1990 S15 Pickup 4WD 4.3 L, 6 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 17 mpg 20 mpg 3021L
1990 S15 Pickup 4WD 4.3 L, 6 cylinders, Manual 5-speeds Regular or Plus 15 mpg 16 mpg 19 mpg 3180L
1990 S15 Jimmy 4WD 4.3 L, 6 cylinders, Manual 5-speeds Regular or Plus 15 mpg 16 mpg 18 mpg 3180L
1989 S15 Pickup 2WD 2.5 L, 4 cylinders, Manual 5-speeds Regular or Plus 20 mpg 21.99 mpg 24.01 mpg 2385L
1989 S15 Pickup 2WD 2.5 L, 4 cylinders, Automatic 4-speeds Regular or Plus 18 mpg 21 mpg 25.99 mpg 2385L
1989 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 17 mpg 19 mpg 24.01 mpg 2703L
1989 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 17 mpg 19 mpg 24.01 mpg 2703L
1989 S15 Jimmy 2WD 4.3 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1989 S15 Pickup 2WD 4.3 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1989 S15 Pickup 4WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1989 S15 Jimmy 4WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 15 mpg 18 mpg 21.99 mpg 2862L
1989 S15 Jimmy 4WD 4.3 L, 6 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 17 mpg 20 mpg 3021L
1989 S15 Jimmy 4WD 4.3 L, 6 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 17 mpg 20 mpg 3021L
1989 S15 Pickup 4WD 4.3 L, 6 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 17 mpg 20 mpg 3021L
1989 S15 Pickup 4WD 4.3 L, 6 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 17 mpg 20 mpg 3021L
1988 S15 Pickup 2WD 2.5 L, 4 cylinders, Manual 5-speeds Regular or Plus 21 mpg 23 mpg 27 mpg 2226L
1988 S15 Jimmy 2WD 2.5 L, 4 cylinders, Manual 5-speeds Regular or Plus 19 mpg 21.99 mpg 25.99 mpg 2385L
1988 S15 Pickup 2WD 2.5 L, 4 cylinders, Automatic 4-speeds Regular or Plus 18 mpg 21 mpg 25.99 mpg 2385L
1988 S15 Jimmy 2WD 2.5 L, 4 cylinders, Automatic 4-speeds Regular or Plus 18 mpg 20 mpg 23 mpg 2544L
1988 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 17 mpg 19 mpg 24.01 mpg 2703L
1988 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 17 mpg 19 mpg 23 mpg 2703L
1988 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 16 mpg 19 mpg 23 mpg 2703L
1988 S15 Jimmy 2WD 4.3 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1988 S15 Pickup 2WD 4.3 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1988 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 16 mpg 18 mpg 21 mpg 2862L
1988 S15 Pickup 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 18 mpg 23 mpg 2862L
1988 S15 Jimmy 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 18 mpg 21.99 mpg 2862L
1988 S15 Cab Chassis 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 14 mpg 14 mpg 15 mpg 3657L
1988 S15 Cab Chassis 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 14 mpg 14 mpg 14 mpg 3657L
1987 S15 Pickup 2WD 2.5 L, 4 cylinders, Manual 5-speeds Regular or Plus 20 mpg 21.99 mpg 25.99 mpg 2385L
1987 S15 Jimmy 2WD 2.5 L, 4 cylinders, Manual 5-speeds Regular or Plus 19 mpg 21 mpg 24.01 mpg 2385L
1987 S15 Pickup 2WD 2.5 L, 4 cylinders, Manual 4-speeds Regular or Plus 19 mpg 21 mpg 24.01 mpg 2385L
1987 S15 Pickup 2WD 2.5 L, 4 cylinders, Automatic 4-speeds Regular or Plus 18 mpg 21 mpg 25 mpg 2385L
1987 S15 Jimmy 2WD 2.5 L, 4 cylinders, Manual 4-speeds Regular or Plus 18 mpg 20 mpg 23 mpg 2544L
1987 S15 Pickup 2WD 2.5 L, 4 cylinders, Automatic 3-speeds Regular or Plus 18 mpg 20 mpg 21.99 mpg 2544L
1987 S15 Jimmy 2WD 2.5 L, 4 cylinders, Automatic 4-speeds Regular or Plus 17 mpg 19 mpg 21.99 mpg 2703L
1987 S15 Jimmy 2WD 2.5 L, 4 cylinders, Automatic 3-speeds Regular or Plus 17 mpg 19 mpg 21 mpg 2703L
1987 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1987 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 16 mpg 18 mpg 21 mpg 2862L
1987 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 15 mpg 18 mpg 21.99 mpg 2862L
1987 S15 Pickup 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 18 mpg 21.99 mpg 2862L
1987 S15 Cab Chassis 2WD 2.5 L, 4 cylinders, Manual 4-speeds Regular or Plus 17 mpg 17 mpg 17 mpg 3021L
1987 S15 Jimmy 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 17 mpg 21 mpg 3021L
1987 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 15 mpg 17 mpg 20 mpg 3021L
1987 S15 Pickup 2WD 2.8 L, 6 cylinders, Automatic 3-speeds Regular or Plus 15 mpg 16 mpg 18 mpg 3180L
1987 S15 Jimmy 2WD 2.8 L, 6 cylinders, Automatic 3-speeds Regular or Plus 15 mpg 16 mpg 17 mpg 3180L
1987 S15 Cab Chassis 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 13 mpg 13 mpg 14 mpg 3975L
1987 S15 Cab Chassis 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 12 mpg 13 mpg 14 mpg 3975L
1986 S15 Pickup 2WD 2.5 L, 4 cylinders, Manual 5-speeds Regular or Plus 21 mpg 24.01 mpg 28 mpg 2067L
1986 S15 Jimmy 2WD 2.5 L, 4 cylinders, Manual 5-speeds Regular or Plus 20 mpg 21.99 mpg 25.99 mpg 2385L
1986 S15 Pickup 2WD 2.5 L, 4 cylinders, Manual 4-speeds Regular or Plus 20 mpg 21.99 mpg 25 mpg 2385L
1986 S15 Pickup 2WD 2.5 L, 4 cylinders, Automatic 4-speeds Regular or Plus 19 mpg 21 mpg 25.99 mpg 2385L
1986 S15 Jimmy 2WD 2.5 L, 4 cylinders, Automatic 4-speeds Regular or Plus 18 mpg 20 mpg 24.01 mpg 2544L
1986 S15 Jimmy 2WD 2.5 L, 4 cylinders, Manual 4-speeds Regular or Plus 18 mpg 20 mpg 24.01 mpg 2544L
1986 S15 Pickup 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 18 mpg 21 mpg 2862L
1986 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 16 mpg 18 mpg 21 mpg 2862L
1986 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 15 mpg 18 mpg 21.99 mpg 2862L
1986 S15 Cab Chassis 2WD 2.5 L, 4 cylinders, Manual 4-speeds Regular or Plus 17 mpg 17 mpg 18 mpg 3021L
1986 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 15 mpg 17 mpg 21 mpg 3021L
1986 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 15 mpg 17 mpg 20 mpg 3021L
1986 S15 Jimmy 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 17 mpg 19 mpg 3021L
1986 S15 Cab Chassis 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 13 mpg 13 mpg 14 mpg 3975L
1986 S15 Cab Chassis 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 12 mpg 13 mpg 14 mpg 3975L
1985 S15 Pickup 2WD 2.2 L, 4 cylinders, Manual 5-speeds Diesel 25.99 mpg 28 mpg 33.01 mpg 2067L
1985 S15 Pickup 2WD 2.2 L, 4 cylinders, Manual 4-speeds Diesel 25.99 mpg 28 mpg 31.01 mpg 2067L
1985 S15 Pickup 2WD 2.2 L, 4 cylinders, Manual 4-speeds Diesel 25.99 mpg 27 mpg 29.99 mpg 2226L
1985 S15 Pickup 2WD 2.2 L, 4 cylinders, Manual 5-speeds Diesel 25 mpg 27 mpg 29.99 mpg 2226L
1985 S15 Pickup 2WD 1.9 L, 4 cylinders, Manual 4-speeds Regular or Plus 21 mpg 23 mpg 27 mpg 2226L
1985 S15 Pickup 2WD 2.5 L, 4 cylinders, Manual 5-speeds Regular or Plus 20 mpg 21.99 mpg 25.99 mpg 2385L
1985 S15 Jimmy 2WD 2.5 L, 4 cylinders, Manual 5-speeds Regular or Plus 19 mpg 21.99 mpg 25.99 mpg 2385L
1985 S15 Jimmy 2WD 2.5 L, 4 cylinders, Manual 4-speeds Regular or Plus 19 mpg 21 mpg 24.01 mpg 2385L
1985 S15 Pickup 2WD 2.5 L, 4 cylinders, Manual 4-speeds Regular or Plus 19 mpg 21 mpg 24.01 mpg 2385L
1985 S15 Pickup 2WD 2.5 L, 4 cylinders, Automatic 4-speeds Regular or Plus 18 mpg 21 mpg 25 mpg 2385L
1985 S15 Jimmy 2WD 2.5 L, 4 cylinders, Manual 4-speeds Regular or Plus 19 mpg 20 mpg 21.99 mpg 2544L
1985 S15 Jimmy 2WD 2.5 L, 4 cylinders, Automatic 4-speeds Regular or Plus 18 mpg 20 mpg 24.01 mpg 2544L
1985 S15 Jimmy 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 17 mpg 19 mpg 23 mpg 2703L
1985 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 17 mpg 19 mpg 23 mpg 2703L
1985 S15 Pickup 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 17 mpg 19 mpg 23 mpg 2703L
1985 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 17 mpg 19 mpg 23 mpg 2703L
1985 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 16 mpg 19 mpg 23 mpg 2703L
1985 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 16 mpg 19 mpg 23 mpg 2703L
1985 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 16 mpg 19 mpg 23 mpg 2703L
1985 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 16 mpg 19 mpg 23 mpg 2703L
1985 S15 Jimmy 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 18 mpg 23 mpg 2862L
1985 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 15 mpg 18 mpg 23 mpg 2862L
1985 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 15 mpg 18 mpg 21.99 mpg 2862L
1985 S15 Pickup 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 18 mpg 21.99 mpg 2862L
1985 S15 Cab Chassis 2WD 2.5 L, 4 cylinders, Manual 4-speeds Regular or Plus 17 mpg 17 mpg 17 mpg 3021L
1985 S15 Cab Chassis 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 14 mpg 14 mpg 14 mpg 3657L
1985 S15 Cab Chassis 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 13 mpg 13 mpg 14 mpg 3975L
1985 S15 Cab Chassis 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 12 mpg 13 mpg 15 mpg 3975L
1984 S15 Pickup 2WD 2.2 L, 4 cylinders, Manual 5-speeds Diesel 25.99 mpg 28.99 mpg 31.98 mpg 2067L
1984 S15 Pickup 2WD 2.2 L, 4 cylinders, Manual 4-speeds Diesel 25.99 mpg 28 mpg 31.01 mpg 2067L
1984 S15 Pickup 2WD 2.2 L, 4 cylinders, Manual 4-speeds Diesel 25.99 mpg 28 mpg 31.01 mpg 2067L
1984 S15 Pickup 2WD 2.2 L, 4 cylinders, Manual 5-speeds Diesel 25.99 mpg 28 mpg 31.01 mpg 2067L
1984 S15 Pickup 2WD 2.0 L, 4 cylinders, Manual 5-speeds Regular or Plus 23 mpg 25.99 mpg 31.01 mpg 1908L
1984 S15 Pickup 2WD 2.0 L, 4 cylinders, Manual 4-speeds Regular or Plus 21 mpg 24.01 mpg 28.99 mpg 2067L
1984 S15 Pickup 2WD 2.0 L, 4 cylinders, Manual 4-speeds Regular or Plus 21 mpg 23 mpg 25.99 mpg 2226L
1984 S15 Jimmy 2WD 2.0 L, 4 cylinders, Manual 5-speeds Regular or Plus 20 mpg 23 mpg 27 mpg 2226L
1984 S15 Pickup 2WD 2.0 L, 4 cylinders, Manual 5-speeds Regular or Plus 20 mpg 23 mpg 27 mpg 2226L
1984 S15 Jimmy 2WD 2.0 L, 4 cylinders, Manual 5-speeds Regular or Plus 20 mpg 21.99 mpg 25.99 mpg 2385L
1984 S15 Jimmy 2WD 2.0 L, 4 cylinders, Manual 4-speeds Regular or Plus 20 mpg 21.99 mpg 25.99 mpg 2385L
1984 S15 Pickup 2WD 2.0 L, 4 cylinders, Manual 5-speeds Regular or Plus 20 mpg 21.99 mpg 25.99 mpg 2385L
1984 S15 Jimmy 2WD 2.0 L, 4 cylinders, Manual 4-speeds Regular or Plus 19 mpg 21 mpg 25 mpg 2385L
1984 S15 Pickup 2WD 2.0 L, 4 cylinders, Manual 4-speeds Regular or Plus 19 mpg 21 mpg 25 mpg 2385L
1984 S15 Jimmy 2WD 2.0 L, 4 cylinders, Automatic 3-speeds Regular or Plus 19 mpg 21 mpg 24.01 mpg 2385L
1984 S15 Pickup 2WD 2.0 L, 4 cylinders, Automatic 4-speeds Regular or Plus 18 mpg 20 mpg 24.01 mpg 2544L
1984 S15 Pickup 2WD 2.0 L, 4 cylinders, Automatic 3-speeds Regular or Plus 18 mpg 20 mpg 24.01 mpg 2544L
1984 S15 Jimmy 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 17 mpg 19 mpg 24.01 mpg 2703L
1984 S15 Pickup 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 17 mpg 19 mpg 24.01 mpg 2703L
1984 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 16 mpg 19 mpg 23 mpg 2703L
1984 S15 Jimmy 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1984 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1984 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1984 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1984 S15 Jimmy 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1984 S15 Pickup 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1984 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 5-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1984 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1984 S15 Utility Body 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1984 S15 Utility Body 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 16 mpg 18 mpg 21.99 mpg 2862L
1984 S15 Pickup 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 16 mpg 18 mpg 21 mpg 2862L
1984 S15 Cab Chassis 2WD 2.0 L, 4 cylinders, Manual 4-speeds Regular or Plus 15 mpg 15 mpg 16 mpg 3498L
1984 S15 Cab Chassis 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 13 mpg 14 mpg 15 mpg 3657L
1984 S15 Cab Chassis 2WD 2.8 L, 6 cylinders, Manual 4-speeds Regular or Plus 13 mpg 13 mpg 14 mpg 3975L
1984 S15 Cab Chassis 2WD 2.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 13 mpg 13 mpg 13 mpg 3975L
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