2005 Buick Rainier
16MPG
Combined
4
Trims
Updated February 27, 2026
Looking at the 2005 Buick Rainier? This SUV offers 15–16 combined MPG depending on trim and comes with 4 available configurations. We break down the specs, safety data, and how it compares to the competition.
2005 Buick Rainier Specifications
| Spec | Value |
|---|---|
| Combined MPG | 15–16 combined MPG depending on trim |
| City MPG | 14 |
| Highway MPG | 20 |
| Body Style | SUV |
| Fuel Type | Regular |
| Drive | RWD |
| Available Trims | 4 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Auto | 14/20/16 | 4.2L 6cyl | Automatic 4-spd |
| Auto | 14/19/16 | 5.3L 8cyl | Automatic 4-spd |
| Auto | 14/19/16 | 4.2L 6cyl | Automatic 4-spd |
| Auto | 14/17/15 | 5.3L 8cyl | Automatic 4-spd |
Annual Fuel Cost
Based on EPA estimates, the 2005 Buick Rainier costs approximately $2,800 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2005 Buick Rainier
See how it stacks up against similar vehicles:
Other Model Years
- 2007 Buick Rainier
- 2006 Buick Rainier
- 2005 (this page)
- 2004 Buick Rainier
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.