Model year
2011 Cadillac STS
NHTSA lists 0 recalls and 7 complaints for the 2011 Cadillac STS (recall file dated Oct 23, 2026; complaint file dated Oct 23, 2026). The components listed on the most complaints are ELECTRICAL SYSTEM (3), SERVICE BRAKES (2), EXTERIOR LIGHTING (1). NHTSA lists crash-test variants for this model year and marks the overall rating Not Rated. EPA rates it 21 mpg combined (fuel economy file dated Sep 29, 2026). EPA's annual fuel-cost figures for these configurations are $3,200, based on 15,000 miles and 55% city driving.
- 2005 101 complaints
- 2006 139 complaints
- 2007 52 complaints
- 2008 50 complaints
- 2009 15 complaints
- 2010 4 complaints
- 2011 7 complaints
Recalls
No recalls are listed for this name in the matched NHTSA file.
Complaints
7 distinct complaints. Crash flag on 1, fire flag on 0, injury field 2, deaths field 0. A complaint can be counted under more than one component. The injury and death figures are the file's numbers (the highest value on each complaint, then added), not a separate verified count of people.
Investigations
No investigations are matched to this name.
Safety ratings
| Variant | Overall | Front | Side | Pole | Rollover | Photo |
|---|---|---|---|---|---|---|
| 4 DR AWD | Not rated | Not Rated | Not Rated | Not Rated | 5 · possibility 0.099 | — |
| 4 DR FWD | Not rated | Not Rated | Not Rated | Not Rated | 5 · possibility 0.101 | — |
Fuel economy
| Configuration | Fuel | City | Hwy | Comb | kWh/100 mi | Range | Annual fuel cost |
|---|---|---|---|---|---|---|---|
| STS · 3.6L · Automatic (S6) · Rear-Wheel Drive | Regular Gasoline | 18 | 27 | 21 | — | — | $3,200 |
| STS AWD · 3.6L · Automatic (S6) · All-Wheel Drive | Regular Gasoline | 18 | 26 | 21 | — | — | $3,200 |
Open this model year in the fuel-cost calculator. The calculator starts with no fuel price filled in.
Check a vehicle
This page is not a VIN lookup. NHTSA's recall tool checks a specific vehicle: nhtsa.gov/recalls. NHTSA's page for this model year is 2011 Cadillac STS at NHTSA. Complaint narratives stay on NHTSA's site and are not copied here.