1990 GMC S-15
19 trims available · 16–22 MPG · 105–160 HP
Standout Trims
1990 HIGHLIGHTS
Full History Report
Buying a 1990 GMC S-15?
No recalls have been found for this model year. Check its history before you buy.
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Trim Levels
ALL 1990 GMC S-15 TRIMS
| Trim | Body | Engine | MPG | HP | Seats | MSRP | Score | |
|---|---|---|---|---|---|---|---|---|
| BaseTop Rated | Truck (Extended Cab) | 2.5L | 22 | 105 | N/A | N/A | MyCar Score™73.3 | |
| High Sierra | Truck (Extended Cab) | 2.5L | 22 | 105 | N/A | N/A | MyCar Score™73.3 | |
| Sierra Classic | Truck (Regular Cab) | 2.5L | 22 | 105 | N/A | N/A | MyCar Score™73.3 | |
| High Sierra | Truck (Regular Cab) | 2.5L | 22 | 105 | N/A | N/A | MyCar Score™73.3 | |
| Base | Truck (Regular Cab) | 2.5L | 22 | 105 | N/A | N/A | MyCar Score™73.3 | |
| Sierra Classic | Truck (Extended Cab) | 2.5L | 22 | 105 | N/A | N/A | MyCar Score™73.3 | |
| Base | Truck (Regular Cab) | 2.5L | 22 | 105 | N/A | N/A | MyCar Score™72.1 | |
| EL | Truck (Regular Cab) | 2.5L | 22 | 105 | N/A | N/A | MyCar Score™72.1 | |
| Sierra Classic | Truck (Regular Cab) | 2.5L | 22 | 105 | N/A | N/A | MyCar Score™72.1 | |
| High Sierra | Truck (Regular Cab) | 2.5L | 22 | 105 | N/A | N/A | MyCar Score™72.1 | |
| Base | Truck (Regular Cab) | 4.3L | 16 | 160 | N/A | N/A | MyCar Score™71.6 | |
| Sierra Classic | Truck (Regular Cab) | 4.3L | 16 | 160 | N/A | N/A | MyCar Score™71.6 | |
| High Sierra | Truck (Regular Cab) | 4.3L | 16 | 160 | N/A | N/A | MyCar Score™71.6 | |
| Sierra Classic | Truck (Regular Cab) | 4.3L | 16 | 160 | N/A | N/A | MyCar Score™71.6 | |
| High Sierra | Truck (Regular Cab) | 4.3L | 16 | 160 | N/A | N/A | MyCar Score™71.6 | |
| Base | Truck (Regular Cab) | 4.3L | 16 | 160 | N/A | N/A | MyCar Score™71.6 | |
| High Sierra | Truck (Extended Cab) | 4.3L | 16 | 160 | N/A | N/A | MyCar Score™71.4 | |
| Base | Truck (Extended Cab) | 4.3L | 16 | 160 | N/A | N/A | MyCar Score™71.4 | |
| Sierra Classic | Truck (Extended Cab) | 4.3L | 16 | 160 | N/A | N/A | MyCar Score™71.4 |
At a Glance
KEY SPECS
Body Type
Truck (Extended Cab), Truck (Regular Cab)
MPG Range
16–22 MPG
HP Range
105–160 HP
Fuel Type
regular unleaded
Drive Type
rear wheel drive
Dimensions & Comfort
SPACE & COMFORT
Based on the top-rated 1990 S-15 trim.
Exterior Dimensions
Length
192.8 in
Width
64.7 in
Height
61.3 in
Wheelbase
122.9 in
Safety & Warranty
PROTECTION & COVERAGE
Safety Ratings
NHTSA Overall
Not tested by NHTSAOpen Recalls
None found
Source: NHTSA New Car Assessment Program. nhtsa.gov/ratings
Family & Safety
IS THIS A GOOD FAMILY CAR?
Car Seat Usability
Always have car seat installation checked by a certified technician. Find an inspection station near you →
LATCH System
LATCH (Lower Anchors and Tethers for Children) is required on all US vehicles from 2003 onward.
Check owner's manual for LATCH anchor availability.
Related Gear
Common Questions
1990 GMC S-15 FAQ
How many recalls does a 1990 GMC S-15 have?▾
The 1990 GMC S-15 has no open recalls on record with NHTSA.
What is the fuel economy of a 1990 GMC S-15?▾
The 1990 GMC S-15 gets 16–22 MPG combined depending on trim level and drivetrain configuration.
What is the best 1990 GMC S-15 trim to buy used?▾
Based on MyCar Score™ ratings, the Base trim scores highest at 73.3 out of 100, balancing value, fuel economy, and specifications.
Is the 1990 GMC S-15 a good used car?▾
The 1990 GMC S-15 has an average MyCar Score™ of 72 out of 100. MyCar Score™ weighs NHTSA safety ratings, recall history, fuel economy, and value. This is a competitive score for the segment.
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