Buick · 2004–2007 · Gas
Buick Rainier MPG by year
The EPA has rated 4 model years of the Buick Rainier, from 2004 to 2007. The most fuel-efficient year is the 2007, at 17 MPG combined in its best configuration. The best 2007 model is 6% more efficient than the best 2004 model (17 vs. 16 MPG). The 2007 model is 6% less efficient than the median SUV that year (17 vs. 18 MPG).
Combined MPG by model year
- Rainier, 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 Rainier model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 2007 | Gas | 17 MPG lowest 16 |
14 / 20 | 18 | — | 4 | $2,735 |
| 2006 | Gas | 17 MPG lowest 16 |
14 / 20 | 17 | — | 4 | $2,735 |
| 2005 | Gas | 16 MPG lowest 15 |
14 / 20 | 17 | — | 4 | $2,906 |
| 2004 | Gas | 16 MPG lowest 15 |
14 / 19 | 17 | — | 4 | $2,906 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare Rainier model years
See how much a newer Rainier would save over an older one.
Models similar to the Buick Rainier
Frequently asked questions
Which Buick Rainier year has the best fuel economy?
The 2006 Buick Rainier, rated up to 17 MPG combined. At 15,000 miles a year with $3.10/gal regular gas, that works out to about $2,735 a year.
Which Buick Rainier year has the worst fuel economy?
The 2004 model, whose most efficient version is rated 16 MPG combined (about $2,906 a year to fuel).
What is the fuel economy of the latest Buick Rainier?
The 2007 Buick Rainier is rated up to 17 MPG combined.