GMC · 1991–2004 · Gas / Flex-fuel
GMC Sonoma MPG by year
The EPA has rated 14 model years of the GMC Sonoma, from 1991 to 2004. The most fuel-efficient year is the 2000, at 23 MPG combined in its best configuration. The best 2004 model is 32% less efficient than the best 1991 model (15 vs. 22 MPG). The 2004 model is 9% less efficient than the median full-size pickup that year (15 vs. 16.5 MPG).
Combined MPG by model year
- Sonoma, 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 Sonoma model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 2004 | Gas | 15 MPG | 14 / 18 | 16.5 | — | 1 | $3,100 |
| 2003 | Gas | 22 MPG lowest 14 |
19 / 25 | 19 | — | 6 | $2,114 |
| 2002 | Flex-fuel | 22 MPG lowest 19 |
19 / 25 | 22 | — | 6 | $2,114 |
| 2001 | Flex-fuel | 22 MPG lowest 19 |
19 / 25 | 22 | — | 6 | $2,114 |
| 2000 | Gas | 23 MPG lowest 16 |
20 / 26 | 23 | — | 8 | $2,022 |
| 1999 | Gas | 23 MPG lowest 16 |
20 / 26 | 23 | — | 6 | $2,022 |
| 1998 | Gas | 22 MPG lowest 16 |
20 / 26 | 22 | — | 6 | $2,114 |
| 1997 | Gas | 23 MPG lowest 16 |
20 / 27 | 23 | — | 6 | $2,022 |
| 1996 | Gas | 23 MPG lowest 17 |
20 / 27 | 23 | — | 6 | $2,022 |
| 1995 | Gas | 23 MPG lowest 16 |
21 / 26 | 22 | — | 8 | $2,022 |
| 1994 | Gas | 22 MPG lowest 16 |
19 / 26 | 20 | — | 10 | $2,114 |
| 1993 | Gas | 22 MPG lowest 16 |
20 / 25 | 22 | — | 9 | $2,114 |
| 1992 | Gas | 22 MPG lowest 16 |
20 / 25 | 22 | — | 9 | $2,114 |
| 1991 | Gas | 22 MPG lowest 16 |
21 / 25 | 22 | — | 7 | $2,114 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare Sonoma model years
See how much a newer Sonoma would save over an older one.
Models similar to the GMC Sonoma
Frequently asked questions
Which GMC Sonoma year has the best fuel economy?
The 1995 GMC Sonoma, rated up to 23 MPG combined. At 15,000 miles a year with $3.10/gal regular gas, that works out to about $2,022 a year.
Which GMC Sonoma year has the worst fuel economy?
The 2004 model, whose most efficient version is rated 15 MPG combined (about $3,100 a year to fuel).
What is the fuel economy of the latest GMC Sonoma?
The 2004 GMC Sonoma is rated up to 15 MPG combined.