Fuel Economy of GMC S15 Cars
The following table compares the fuel economies of different models of GMC S15 cars, across model years.
The annual fuel costs (shown in the right-hand columns) are calculated based on an estimated annual mileage of 15,000 miles,
of which 55% of the miles are city driving, and 45% of the miles are highway driving.
Annual Cost 1 assumes a fuel cost of $5.00 per gallon, while Annual Cost 2 assumes a fuel cost of $6.00 per gallon.
Table 1. Fuel Economy of GMC S15 Pickup 4WD
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 1990 S15 Pickup 4WD | Automatic 4-speed | 6 | 17 | 15 | 20 | $4,437 | $5,325 |
| 1990 S15 Pickup 4WD | Manual 5-speed | 6 | 16 | 15 | 19 | $4,526 | $5,431 |
| 1989 S15 Pickup 4WD | Manual 5-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1989 S15 Pickup 4WD | Automatic 4-speed | 6 | 17 | 15 | 20 | $4,437 | $5,325 |
| 1989 S15 Pickup 4WD | Automatic 4-speed | 6 | 17 | 15 | 20 | $4,437 | $5,325 |
Table 2. Fuel Economy of GMC S15 Jimmy 2WD
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 1990 S15 Jimmy 2WD | Automatic 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1990 S15 Jimmy 2WD | Manual 5-speed | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 1989 S15 Jimmy 2WD | Manual 5-speed | 6 | 19 | 17 | 24 | $3,832 | $4,599 |
| 1989 S15 Jimmy 2WD | Automatic 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1988 S15 Jimmy 2WD | Automatic 4-speed | 4 | 20 | 18 | 23 | $3,759 | $4,510 |
| 1988 S15 Jimmy 2WD | Manual 5-speed | 4 | 22 | 19 | 26 | $3,469 | $4,162 |
| 1988 S15 Jimmy 2WD | Automatic 4-speed | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 1988 S15 Jimmy 2WD | Manual 4-speed | 6 | 18 | 16 | 21 | $4,185 | $5,022 |
| 1988 S15 Jimmy 2WD | Manual 5-speed | 6 | 19 | 16 | 23 | $4,045 | $4,854 |
| 1988 S15 Jimmy 2WD | Automatic 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1987 S15 Jimmy 2WD | Automatic 3-speed | 4 | 19 | 17 | 21 | $4,033 | $4,840 |
| 1987 S15 Jimmy 2WD | Automatic 4-speed | 4 | 19 | 17 | 22 | $3,960 | $4,752 |
| 1987 S15 Jimmy 2WD | Manual 4-speed | 4 | 20 | 18 | 23 | $3,759 | $4,510 |
| 1987 S15 Jimmy 2WD | Manual 5-speed | 4 | 21 | 19 | 24 | $3,577 | $4,292 |
| 1987 S15 Jimmy 2WD | Automatic 3-speed | 6 | 16 | 15 | 17 | $4,735 | $5,682 |
| 1987 S15 Jimmy 2WD | Automatic 4-speed | 6 | 17 | 15 | 21 | $4,357 | $5,228 |
| 1987 S15 Jimmy 2WD | Manual 4-speed | 6 | 17 | 15 | 20 | $4,437 | $5,325 |
| 1987 S15 Jimmy 2WD | Manual 5-speed | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 1986 S15 Jimmy 2WD | Automatic 4-speed | 4 | 20 | 18 | 24 | $3,697 | $4,437 |
| 1986 S15 Jimmy 2WD | Manual 4-speed | 4 | 20 | 18 | 24 | $3,697 | $4,437 |
| 1986 S15 Jimmy 2WD | Manual 5-speed | 4 | 22 | 20 | 26 | $3,360 | $4,032 |
| 1986 S15 Jimmy 2WD | Automatic 4-speed | 6 | 17 | 15 | 19 | $4,526 | $5,431 |
| 1986 S15 Jimmy 2WD | Manual 4-speed | 6 | 17 | 15 | 20 | $4,437 | $5,325 |
| 1986 S15 Jimmy 2WD | Manual 5-speed | 6 | 17 | 15 | 21 | $4,357 | $5,228 |
| 1985 S15 Jimmy 2WD | Automatic 4-speed | 4 | 20 | 18 | 24 | $3,697 | $4,437 |
| 1985 S15 Jimmy 2WD | Manual 4-speed | 4 | 21 | 19 | 24 | $3,577 | $4,292 |
| 1985 S15 Jimmy 2WD | Manual 5-speed | 4 | 22 | 19 | 26 | $3,469 | $4,162 |
| 1985 S15 Jimmy 2WD | Automatic 4-speed | 6 | 18 | 15 | 23 | $4,217 | $5,060 |
| 1985 S15 Jimmy 2WD | Manual 4-speed | 6 | 19 | 16 | 23 | $4,045 | $4,854 |
| 1985 S15 Jimmy 2WD | Manual 5-speed | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 1985 S15 Jimmy 2WD | Manual 4-speed | 4 | 20 | 19 | 22 | $3,705 | $4,446 |
| 1985 S15 Jimmy 2WD | Automatic 4-speed | 6 | 19 | 17 | 23 | $3,893 | $4,672 |
| 1985 S15 Jimmy 2WD | Manual 4-speed | 6 | 19 | 17 | 23 | $3,893 | $4,672 |
| 1985 S15 Jimmy 2WD | Manual 5-speed | 6 | 19 | 16 | 23 | $4,045 | $4,854 |
| 1984 S15 Jimmy 2WD | Manual 4-speed | 4 | 21 | 19 | 25 | $3,521 | $4,225 |
| 1984 S15 Jimmy 2WD | Manual 5-speed | 4 | 22 | 20 | 26 | $3,360 | $4,032 |
| 1984 S15 Jimmy 2WD | Automatic 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1984 S15 Jimmy 2WD | Manual 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1984 S15 Jimmy 2WD | Manual 5-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1984 S15 Jimmy 2WD | Automatic 3-speed | 4 | 21 | 19 | 24 | $3,577 | $4,292 |
| 1984 S15 Jimmy 2WD | Manual 4-speed | 4 | 22 | 20 | 26 | $3,360 | $4,032 |
| 1984 S15 Jimmy 2WD | Manual 5-speed | 4 | 23 | 20 | 27 | $3,312 | $3,975 |
| 1984 S15 Jimmy 2WD | Automatic 4-speed | 6 | 19 | 17 | 24 | $3,832 | $4,599 |
| 1984 S15 Jimmy 2WD | Manual 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1984 S15 Jimmy 2WD | Manual 5-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
Table 3. Fuel Economy of GMC S15 Cab Chassis 2WD
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 1988 S15 Cab Chassis 2WD | Automatic 4-speed | 6 | 14 | 14 | 15 | $5,196 | $6,235 |
| 1988 S15 Cab Chassis 2WD | Manual 4-speed | 6 | 14 | 14 | 14 | $5,357 | $6,428 |
| 1987 S15 Cab Chassis 2WD | Manual 4-speed | 4 | 17 | 17 | 17 | $4,411 | $5,294 |
| 1987 S15 Cab Chassis 2WD | Automatic 4-speed | 6 | 13 | 12 | 14 | $5,848 | $7,017 |
| 1987 S15 Cab Chassis 2WD | Manual 4-speed | 6 | 13 | 13 | 14 | $5,583 | $6,700 |
| 1986 S15 Cab Chassis 2WD | Manual 4-speed | 4 | 17 | 17 | 18 | $4,301 | $5,161 |
| 1986 S15 Cab Chassis 2WD | Automatic 4-speed | 6 | 13 | 12 | 14 | $5,848 | $7,017 |
| 1986 S15 Cab Chassis 2WD | Manual 4-speed | 6 | 13 | 13 | 14 | $5,583 | $6,700 |
| 1985 S15 Cab Chassis 2WD | Manual 4-speed | 4 | 17 | 17 | 17 | $4,411 | $5,294 |
| 1985 S15 Cab Chassis 2WD | Automatic 4-speed | 6 | 13 | 13 | 14 | $5,583 | $6,700 |
| 1985 S15 Cab Chassis 2WD | Manual 4-speed | 6 | 13 | 12 | 15 | $5,687 | $6,825 |
| 1985 S15 Cab Chassis 2WD | Automatic 4-speed | 6 | 14 | 14 | 14 | $5,357 | $6,428 |
| 1984 S15 Cab Chassis 2WD | Manual 4-speed | 4 | 15 | 15 | 16 | $4,859 | $5,831 |
| 1984 S15 Cab Chassis 2WD | Automatic 4-speed | 6 | 13 | 13 | 13 | $5,769 | $6,923 |
| 1984 S15 Cab Chassis 2WD | Manual 4-speed | 6 | 13 | 13 | 14 | $5,583 | $6,700 |
| 1984 S15 Cab Chassis 2WD | Automatic 4-speed | 6 | 14 | 13 | 15 | $5,423 | $6,507 |
Table 4. Fuel Economy of GMC S15 Jimmy 4WD
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 1990 S15 Jimmy 4WD | Automatic 4-speed | 6 | 17 | 15 | 20 | $4,437 | $5,325 |
| 1990 S15 Jimmy 4WD | Manual 5-speed | 6 | 16 | 15 | 18 | $4,625 | $5,550 |
| 1989 S15 Jimmy 4WD | Manual 5-speed | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 1989 S15 Jimmy 4WD | Automatic 4-speed | 6 | 17 | 15 | 20 | $4,437 | $5,325 |
| 1989 S15 Jimmy 4WD | Automatic 4-speed | 6 | 17 | 15 | 20 | $4,437 | $5,325 |
Table 5. Fuel Economy of GMC S15 Utility Body 2WD
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 1984 S15 Utility Body 2WD | Automatic 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1984 S15 Utility Body 2WD | Manual 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
Table 6. Fuel Economy of GMC S15 Pickup 2WD
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 1990 S15 Pickup 2WD | Automatic 4-speed | 4 | 21 | 18 | 25 | $3,641 | $4,370 |
| 1990 S15 Pickup 2WD | Manual 5-speed | 4 | 22 | 21 | 25 | $3,314 | $3,977 |
| 1990 S15 Pickup 2WD | Manual 5-speed | 6 | 19 | 17 | 24 | $3,832 | $4,599 |
| 1990 S15 Pickup 2WD | Automatic 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1990 S15 Pickup 2WD | Manual 5-speed | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 1989 S15 Pickup 2WD | Automatic 4-speed | 4 | 21 | 18 | 26 | $3,589 | $4,307 |
| 1989 S15 Pickup 2WD | Manual 5-speed | 4 | 22 | 20 | 24 | $3,468 | $4,162 |
| 1989 S15 Pickup 2WD | Manual 5-speed | 6 | 19 | 17 | 24 | $3,832 | $4,599 |
| 1989 S15 Pickup 2WD | Automatic 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1988 S15 Pickup 2WD | Automatic 4-speed | 4 | 21 | 18 | 26 | $3,589 | $4,307 |
| 1988 S15 Pickup 2WD | Manual 5-speed | 4 | 23 | 21 | 27 | $3,214 | $3,857 |
| 1988 S15 Pickup 2WD | Automatic 4-speed | 6 | 18 | 15 | 23 | $4,217 | $5,060 |
| 1988 S15 Pickup 2WD | Manual 4-speed | 6 | 19 | 17 | 23 | $3,893 | $4,672 |
| 1988 S15 Pickup 2WD | Manual 5-speed | 6 | 19 | 17 | 24 | $3,832 | $4,599 |
| 1988 S15 Pickup 2WD | Automatic 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1987 S15 Pickup 2WD | Automatic 3-speed | 4 | 20 | 18 | 22 | $3,825 | $4,590 |
| 1987 S15 Pickup 2WD | Automatic 4-speed | 4 | 21 | 18 | 25 | $3,641 | $4,370 |
| 1987 S15 Pickup 2WD | Manual 4-speed | 4 | 21 | 19 | 24 | $3,577 | $4,292 |
| 1987 S15 Pickup 2WD | Manual 5-speed | 4 | 22 | 20 | 26 | $3,360 | $4,032 |
| 1987 S15 Pickup 2WD | Automatic 3-speed | 6 | 16 | 15 | 18 | $4,625 | $5,550 |
| 1987 S15 Pickup 2WD | Automatic 4-speed | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 1987 S15 Pickup 2WD | Manual 4-speed | 6 | 18 | 16 | 21 | $4,185 | $5,022 |
| 1987 S15 Pickup 2WD | Manual 5-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1986 S15 Pickup 2WD | Automatic 4-speed | 4 | 21 | 19 | 26 | $3,469 | $4,162 |
| 1986 S15 Pickup 2WD | Manual 4-speed | 4 | 22 | 20 | 25 | $3,412 | $4,095 |
| 1986 S15 Pickup 2WD | Manual 5-speed | 4 | 24 | 21 | 28 | $3,169 | $3,803 |
| 1986 S15 Pickup 2WD | Automatic 4-speed | 6 | 18 | 16 | 21 | $4,185 | $5,022 |
| 1986 S15 Pickup 2WD | Manual 4-speed | 6 | 18 | 16 | 21 | $4,185 | $5,022 |
| 1986 S15 Pickup 2WD | Manual 5-speed | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 1985 S15 Pickup 2WD | Manual 4-speed | 4 | 27 | 26 | 30 | $2,711 | $3,253 |
| 1985 S15 Pickup 2WD | Manual 5-speed | 4 | 27 | 25 | 30 | $2,775 | $3,330 |
| 1985 S15 Pickup 2WD | Automatic 4-speed | 6 | 19 | 17 | 23 | $3,893 | $4,672 |
| 1985 S15 Pickup 2WD | Manual 4-speed | 6 | 19 | 17 | 23 | $3,893 | $4,672 |
| 1985 S15 Pickup 2WD | Manual 5-speed | 6 | 19 | 16 | 23 | $4,045 | $4,854 |
| 1985 S15 Pickup 2WD | Manual 4-speed | 4 | 23 | 21 | 27 | $3,214 | $3,857 |
| 1985 S15 Pickup 2WD | Manual 4-speed | 4 | 28 | 26 | 31 | $2,675 | $3,210 |
| 1985 S15 Pickup 2WD | Manual 5-speed | 4 | 28 | 26 | 33 | $2,609 | $3,131 |
| 1985 S15 Pickup 2WD | Automatic 4-speed | 4 | 21 | 18 | 25 | $3,641 | $4,370 |
| 1985 S15 Pickup 2WD | Manual 4-speed | 4 | 21 | 19 | 24 | $3,577 | $4,292 |
| 1985 S15 Pickup 2WD | Manual 5-speed | 4 | 22 | 20 | 26 | $3,360 | $4,032 |
| 1985 S15 Pickup 2WD | Automatic 4-speed | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 1985 S15 Pickup 2WD | Manual 4-speed | 6 | 19 | 16 | 23 | $4,045 | $4,854 |
| 1985 S15 Pickup 2WD | Manual 5-speed | 6 | 18 | 15 | 23 | $4,217 | $5,060 |
| 1984 S15 Pickup 2WD | Manual 4-speed | 4 | 24 | 21 | 29 | $3,128 | $3,753 |
| 1984 S15 Pickup 2WD | Manual 5-speed | 4 | 26 | 23 | 31 | $2,882 | $3,458 |
| 1984 S15 Pickup 2WD | Automatic 4-speed | 4 | 20 | 18 | 24 | $3,697 | $4,437 |
| 1984 S15 Pickup 2WD | Manual 4-speed | 4 | 21 | 19 | 25 | $3,521 | $4,225 |
| 1984 S15 Pickup 2WD | Manual 5-speed | 4 | 22 | 20 | 26 | $3,360 | $4,032 |
| 1984 S15 Pickup 2WD | Manual 4-speed | 4 | 28 | 26 | 31 | $2,675 | $3,210 |
| 1984 S15 Pickup 2WD | Manual 5-speed | 4 | 29 | 26 | 32 | $2,641 | $3,169 |
| 1984 S15 Pickup 2WD | Automatic 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1984 S15 Pickup 2WD | Manual 4-speed | 6 | 18 | 16 | 21 | $4,185 | $5,022 |
| 1984 S15 Pickup 2WD | Manual 5-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1984 S15 Pickup 2WD | Automatic 3-speed | 4 | 20 | 18 | 24 | $3,697 | $4,437 |
| 1984 S15 Pickup 2WD | Manual 4-speed | 4 | 23 | 21 | 26 | $3,262 | $3,914 |
| 1984 S15 Pickup 2WD | Manual 5-speed | 4 | 23 | 20 | 27 | $3,312 | $3,975 |
| 1984 S15 Pickup 2WD | Manual 4-speed | 4 | 28 | 26 | 31 | $2,675 | $3,210 |
| 1984 S15 Pickup 2WD | Manual 5-speed | 4 | 28 | 26 | 31 | $2,675 | $3,210 |
| 1984 S15 Pickup 2WD | Automatic 4-speed | 6 | 19 | 17 | 24 | $3,832 | $4,599 |
| 1984 S15 Pickup 2WD | Manual 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1984 S15 Pickup 2WD | Manual 5-speed | 6 | 19 | 16 | 23 | $4,045 | $4,854 |
Back to Fuel economy of GMC cars.Data source: Fuel Economy USA, Reference.