2004 Buick Rainier
16MPG
Combined
4
Trims
2004
2005 →
Updated February 27, 2026
The 2004 Buick Rainier SUV provides 15–16 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.
2004 Buick Rainier Specifications
| Spec | Value |
|---|---|
| Combined MPG | 15–16 combined MPG depending on trim |
| City MPG | 14 |
| Highway MPG | 19 |
| Body Style | SUV |
| Fuel Type | Regular |
| Drive | RWD |
| Available Trims | 4 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Auto | 14/19/16 | 4.2L 6cyl | Automatic 4-spd |
| Auto | 14/18/16 | 5.3L 8cyl | Automatic 4-spd |
| Auto | 14/19/16 | 4.2L 6cyl | Automatic 4-spd |
| Auto | 13/17/15 | 5.3L 8cyl | Automatic 4-spd |
Annual Fuel Cost
Based on EPA estimates, the 2004 Buick Rainier costs approximately $2,800 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2004 Buick Rainier
See how it stacks up against similar vehicles:
Other Model Years
- 2007 Buick Rainier
- 2006 Buick Rainier
- 2005 Buick Rainier
- 2004 (this page)
Check Vehicle History
Considering a used Buick Rainier? Get a comprehensive vehicle history report including accident records, ownership history, and more.
🔍 Check Buick Rainier Vehicle History
Check VIN →
Check Vehicle History
Check VINGet the full story — accidents, ownership, recalls, odometer, and more. Decode any VIN instantly.