2006 Cadillac Sts
19MPG
Combined
4
Trims
Updated February 27, 2026
Get the full picture on the 2006 Cadillac Sts. As a Sedan, it achieves 17–19 combined MPG depending on trim and has not yet been rated by NHTSA. Below you’ll find detailed specs for every trim, plus recall information and competitor comparisons.
2006 Cadillac Sts Specifications
| Spec | Value |
|---|---|
| Combined MPG | 17–19 combined MPG depending on trim |
| City MPG | 16 |
| Highway MPG | 25 |
| Body Style | Sedan |
| Fuel Type | Regular |
| Drive | RWD |
| Available Trims | 4 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| 6 cyl | 16/25/19 | 3.6L 6cyl | Automatic (S5) |
| 8 cyl | 15/24/18 | 4.6L 8cyl | Automatic (S5) |
| 6 cyl | 15/23/18 | 3.6L 6cyl | Automatic (S5) |
| 8 cyl | 14/21/17 | 4.6L 8cyl | Automatic (S5) |
Annual Fuel Cost
Based on EPA estimates, the 2006 Cadillac Sts costs approximately $2,862 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2006 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 (this page)
- 2005 Cadillac Sts
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