2005 Cadillac Sts
18MPG
Combined
3
Trims
2005
2006 →
Updated February 27, 2026
The 2005 Cadillac Sts Sedan provides 17–18 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.
2005 Cadillac Sts Specifications
| Spec | Value |
|---|---|
| Combined MPG | 17–18 combined MPG depending on trim |
| City MPG | 16 |
| Highway MPG | 23 |
| Body Style | Sedan |
| Fuel Type | Premium |
| Drive | AWD/4WD |
| Available Trims | 3 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| 8 cyl | 14/21/17 | 4.6L 8cyl | Automatic (S5) |
| 6 cyl | 16/23/18 | 3.6L 6cyl | Automatic (S5) |
| 8 cyl | 15/23/18 | 4.6L 8cyl | Automatic (S5) |
Annual Fuel Cost
Based on EPA estimates, the 2005 Cadillac Sts costs approximately $3,050 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2005 Cadillac Sts
See how it stacks up against similar vehicles:
Other Model Years
- 2011 Cadillac Sts
- 2010 Cadillac Sts
- 2009 Cadillac Sts
- 2008 Cadillac Sts
- 2007 Cadillac Sts
- 2006 Cadillac Sts
- 2005 (this page)
Check Vehicle History
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