1985 GMC S15 Cab Chassis
4 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| S15 Cab Chassis 2WD | 17 | 17 | 17 | Regular Gasoline | Rear-Wheel Drive | 2.5L 4-cyl | Manual 4-spd |
| S15 Cab Chassis 2WD | 13 | 14 | 13 | Regular Gasoline | Rear-Wheel Drive | 2.8L 6-cyl | Automatic 4-spd |
| S15 Cab Chassis 2WD | 12 | 15 | 13 | Regular Gasoline | Rear-Wheel Drive | 2.8L 6-cyl | Manual 4-spd |
| S15 Cab Chassis 2WD | 14 | 14 | 14 | Regular Gasoline | Rear-Wheel Drive | 2.8L 6-cyl | Automatic 4-spd |