GMC S-15
1990–1990 · 19 trims available
At a Glance
S-15 OVERVIEW
Year Range
1990–1990
Total Configurations
19
Best MyCar Score
73.3 / 100
Model Years
CHOOSE A YEAR
1990s (1990)▾
Trim Levels
1990 CONFIGURATIONS
Showing 1990 trims. Select a year above for full details.
Trim Guide
UNDERSTANDING S-15 TRIMS
Averaged across all model years. Sorted entry-level to premium by price.
| Trim | Body | Avg MPG | Avg HP | Avg MSRP | Score |
|---|---|---|---|---|---|
| Base | Truck (Regular Cab) | 19 | 133 | N/A | 72 |
| EL | Truck (Regular Cab) | 22 | 105 | N/A | 72 |
| High Sierra | Truck (Regular Cab) | 19 | 133 | N/A | 72 |
| Sierra Classic | Truck (Regular Cab) | 19 | 133 | N/A | 72 |
| Sierra Classic | Truck (Extended Cab) | 19 | 133 | N/A | 72 |
| Base | Truck (Extended Cab) | 19 | 133 | N/A | 72 |
| High Sierra | Truck (Extended Cab) | 19 | 133 | N/A | 72 |
Specs Summary
WHAT TO EXPECT FROM A S-15
| Spec | Entry Level | Top Spec |
|---|---|---|
| MPG (combined) | 16 combined | 22 combined |
| Horsepower | 105 HP | 160 HP |
| Body Types | Truck (Extended Cab) | Truck (Extended Cab), Truck (Regular Cab) |
Year-by-Year Analysis
BEST & WORST YEARS
Best Year
1990
Average MyCar Score: 72.2 · 0 avg recalls
Years to Watch
None flagged
All years score above average. Strong reliability across the board.
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