2003 Buick Regal
20MPG
Combined
2
Trims
Updated February 27, 2026
The 2003 Buick Regal Sedan provides 19–20 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.
2003 Buick Regal Specifications
| Spec | Value |
|---|---|
| Combined MPG | 19–20 combined MPG depending on trim |
| City MPG | 17 |
| Highway MPG | 27 |
| Body Style | Sedan |
| Fuel Type | Premium |
| Drive | FWD |
| Available Trims | 2 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Auto | 16/25/19 | 3.8L 6cyl | Automatic 4-spd |
| Auto | 17/27/20 | 3.8L 6cyl | Automatic 4-spd |
Annual Fuel Cost
Based on EPA estimates, the 2003 Buick Regal costs approximately $2,625 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2003 Buick Regal
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Other Model Years
- 2020 Buick Regal
- 2019 Buick Regal
- 2018 Buick Regal
- 2017 Buick Regal
- 2016 Buick Regal
- 2015 Buick Regal
- 2014 Buick Regal
- 2013 Buick Regal
- 2012 Buick Regal
- 2011 Buick Regal
- 2004 Buick Regal
- 2003 (this page)
- 2002 Buick Regal
- 2001 Buick Regal
- 2000 Buick Regal
Check Vehicle History
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