GMC · 1984–1995 · Diesel
GMC Rally Diesel MPG by year
The EPA has rated 12 model years of the GMC Rally Diesel, from 1984 to 1995. The most fuel-efficient year is the 1984, at 19 MPG combined in its best configuration. The best 1995 model is 16% less efficient than the best 1984 model (16 vs. 19 MPG). The 1995 model is about as efficient as the median van (16 MPG).
Combined MPG by model year
- Rally Diesel, 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 Rally Diesel model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 1995 | Diesel | 16 MPG | 15 / 18 | 16 | — | 1 | $3,469 |
| 1994 | Diesel | 16 MPG | 15 / 19 | 16 | — | 1 | $3,469 |
| 1993 | Diesel | 17 MPG | 15 / 19 | 17 | — | 1 | $3,265 |
| 1992 | Diesel | 16 MPG | 14 / 18 | 16 | — | 1 | $3,469 |
| 1991 | Diesel | 17 MPG | 15 / 20 | 16.5 | — | 1 | $3,265 |
| 1990 | Diesel | 17 MPG | 15 / 20 | 17 | — | 1 | $3,265 |
| 1989 | Diesel | 18 MPG lowest 16 |
16 / 20 | 17 | — | 2 | $3,083 |
| 1988 | Diesel | 18 MPG lowest 17 |
16 / 20 | 16 | — | 2 | $3,083 |
| 1987 | Diesel | 18 MPG lowest 17 |
16 / 21 | 17 | — | 2 | $3,083 |
| 1986 | Diesel | 18 MPG lowest 17 |
16 / 22 | 17 | — | 2 | $3,083 |
| 1985 | Diesel | 18 MPG lowest 17 |
15 / 22 | 16 | — | 2 | $3,083 |
| 1984 | Diesel | 19 MPG lowest 17 |
18 / 20 | 16 | — | 4 | $2,921 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare Rally Diesel model years
See how much a newer Rally Diesel would save over an older one.
Models similar to the GMC Rally Diesel
Other GMC Rally versions
Frequently asked questions
Which GMC Rally Diesel year has the best fuel economy?
The 1984 GMC Rally Diesel, rated up to 19 MPG combined. At 15,000 miles a year with $3.70/gal diesel fuel, that works out to about $2,921 a year.
Which GMC Rally Diesel year has the worst fuel economy?
The 1994 model, whose most efficient version is rated 16 MPG combined (about $3,469 a year to fuel).
What is the fuel economy of the latest GMC Rally Diesel?
The 1995 GMC Rally Diesel is rated up to 16 MPG combined.