GMC · 1984–1990 · Gas
GMC S15 Pickup MPG by year
The EPA has rated 7 model years of the GMC S15 Pickup, from 1984 to 1990. The most fuel-efficient year is the 1984, at 26 MPG combined in its best configuration. The best 1990 model is 15% less efficient than the best 1984 model (22 vs. 26 MPG). The 1990 model is about as efficient as the median small pickup (22 MPG).
Combined MPG by model year
- S15 Pickup, most efficient version
- Range across configurations
- Class median
Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.
Every S15 Pickup model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 1990 | Gas | 22 MPG lowest 16 |
21 / 25 | 22 | — | 7 | $2,114 |
| 1989 | Gas | 22 MPG lowest 17 |
20 / 24 | 21.5 | — | 6 | $2,114 |
| 1988 | Gas | 23 MPG lowest 18 |
21 / 27 | 23 | — | 6 | $2,022 |
| 1987 | Gas | 22 MPG lowest 16 |
20 / 26 | 23 | — | 8 | $2,114 |
| 1986 | Gas | 24 MPG lowest 18 |
21 / 28 | 24 | — | 6 | $1,938 |
| 1985 | Gas | 23 MPG lowest 18 |
21 / 27 | 25.5 | — | 10 | $2,022 |
| 1984 | Gas | 26 MPG lowest 18 |
23 / 31 | 25 | — | 14 | $1,788 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare S15 Pickup model years
See how much a newer S15 Pickup would save over an older one.
Models similar to the GMC S15 Pickup
Other GMC S15 Pickup versions
Frequently asked questions
Which GMC S15 Pickup year has the best fuel economy?
The 1984 GMC S15 Pickup, rated up to 26 MPG combined. At 15,000 miles a year with $3.10/gal regular gas, that works out to about $1,788 a year.
Which GMC S15 Pickup year has the worst fuel economy?
The 1987 model, whose most efficient version is rated 22 MPG combined (about $2,114 a year to fuel).
What is the fuel economy of the latest GMC S15 Pickup?
The 1990 GMC S15 Pickup is rated up to 22 MPG combined.