2005 Buick Lacrosse/Allure
21MPG
Combined
2
Trims
2005
2006 →
Updated February 27, 2026
Looking at the 2005 Buick Lacrosse/Allure? This Sedan offers 20–21 combined MPG depending on trim and comes with 2 available configurations. We break down the specs, safety data, and how it compares to the competition.
2005 Buick Lacrosse/Allure Specifications
| Spec | Value |
|---|---|
| Combined MPG | 20–21 combined MPG depending on trim |
| City MPG | 18 |
| Highway MPG | 27 |
| Body Style | Sedan |
| Fuel Type | Regular |
| Drive | FWD |
| Available Trims | 2 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Auto | 17/25/20 | 3.6L 6cyl | Automatic 4-spd |
| Auto | 18/27/21 | 3.8L 6cyl | Automatic 4-spd |
Annual Fuel Cost
Based on EPA estimates, the 2005 Buick Lacrosse/Allure costs approximately $2,150 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2005 Buick Lacrosse/Allure
See how it stacks up against similar vehicles:
Other Model Years
- 2010 Buick Lacrosse/Allure
- 2009 Buick Lacrosse/Allure
- 2008 Buick Lacrosse/Allure
- 2007 Buick Lacrosse/Allure
- 2006 Buick Lacrosse/Allure
- 2005 (this page)
Check Vehicle History
Considering a used Buick Lacrosse/Allure? Get a comprehensive vehicle history report including accident records, ownership history, and more.
🔍 Check Buick Lacrosse/Allure Vehicle History
Check VIN →
Check Vehicle History
Check VINGet the full story — accidents, ownership, recalls, odometer, and more. Decode any VIN instantly.