2005 Buick Century
21MPG
Combined
1
Trim
← 2004
2005
Updated February 27, 2026
Looking at the 2005 Buick Century? This Sedan offers 21 combined MPG and comes with 1 available configurations. We break down the specs, safety data, and how it compares to the competition.
2005 Buick Century Specifications
| Spec | Value |
|---|---|
| Combined MPG | 21 combined MPG |
| City MPG | 18 |
| Highway MPG | 27 |
| Body Style | Sedan |
| Fuel Type | Regular |
| Drive | FWD |
| Available Trims | 1 |
Annual Fuel Cost
Based on EPA estimates, the 2005 Buick Century costs approximately $2,100 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2005 Buick Century
See how it stacks up against similar vehicles:
Other Model Years
- 2005 (this page)
- 2004 Buick Century
- 2003 Buick Century
- 2002 Buick Century
- 2001 Buick Century
- 2000 Buick Century
Check Vehicle History
Considering a used Buick Century? Get a comprehensive vehicle history report including accident records, ownership history, and more.
🔍 Check Buick Century Vehicle History
Check VIN →
Check Vehicle History
Check VINGet the full story — accidents, ownership, recalls, odometer, and more. Decode any VIN instantly.