Buick Rainier MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated Buick Rainier model year from 2004 to 2007 — each engine and transmission with its official city, highway and combined figures. Over these years the Rainier has been offered with 5.3L 8-cyl, 4.2L 6-cyl engines; the most efficient version is the 2007 (up to 17 MPG combined). All rated gas versions run on regular gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.
Buick Rainier fuel economy by year
| Year | Combined | Engines | Median used price | For sale |
|---|---|---|---|---|
| 2007 | 16–17 MPG | 5.3L 8-cyl, 4.2L 6-cyl | — | — |
| 2006 | 16–17 MPG | 5.3L 8-cyl, 4.2L 6-cyl | — | — |
| 2005 | 15–16 MPG | 4.2L 6-cyl, 5.3L 8-cyl | — | — |
| 2004 | 15–16 MPG | 5.3L 8-cyl, 4.2L 6-cyl | — | — |
2007 Buick Rainier: engines & MPG
The 2007 Rainier was EPA-rated in 4 versions (5.3L 8-cyl, 4.2L 6-cyl), with combined economy from 16 to 17 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Rainier 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 20 | 17 MPG |
| Rainier AWD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 19 | 16 MPG |
| Rainier 2WD | 4.2L 6-cyl | Automatic 4-spd | Regular | 14 | 20 | 16 MPG |
| Rainier AWD | 4.2L 6-cyl | Automatic 4-spd | Regular | 14 | 20 | 16 MPG |
2006 Buick Rainier: engines & MPG
The 2006 Rainier was EPA-rated in 4 versions (5.3L 8-cyl, 4.2L 6-cyl), with combined economy from 16 to 17 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Rainier 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 20 | 17 MPG |
| Rainier AWD | 4.2L 6-cyl | Automatic 4-spd | Regular | 14 | 20 | 16 MPG |
| Rainier AWD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 20 | 16 MPG |
| Rainier 2WD | 4.2L 6-cyl | Automatic 4-spd | Regular | 14 | 20 | 16 MPG |
2005 Buick Rainier: engines & MPG
The 2005 Rainier was EPA-rated in 4 versions (4.2L 6-cyl, 5.3L 8-cyl), with combined economy from 15 to 16 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Rainier AWD | 4.2L 6-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Rainier 2WD | 4.2L 6-cyl | Automatic 4-spd | Regular | 14 | 20 | 16 MPG |
| Rainier 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Rainier AWD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
2004 Buick Rainier: engines & MPG
The 2004 Rainier was EPA-rated in 4 versions (5.3L 8-cyl, 4.2L 6-cyl), with combined economy from 15 to 16 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Rainier 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Rainier AWD | 4.2L 6-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Rainier 2WD | 4.2L 6-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Rainier AWD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
Frequently asked questions
What MPG does a Buick Rainier get?
Depending on year and engine, EPA combined ratings for the Rainier range from 16 to 17 MPG. The most efficient rated version is the 2007 model year.
What engines does the 2007 Buick Rainier have?
The 2007 Rainier was EPA-rated with 5.3L 8-cyl, 4.2L 6-cyl engines — see the 2007 table above for each version's exact city/highway figures.
Does the Buick Rainier require premium gas?
No — rated versions run on regular gasoline.
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