Year by year
| Year | Engines | Drive | Fuel economy | Crash rating | Recalls | Owner complaints | Most-reported problem | CarPlay |
|---|---|---|---|---|---|---|---|---|
| 2011 | 3.6L 6-cyl | AWD, RWD | 21 mpg | Not rated | 0 | 7 | Electrical system (3) | — |
| 2010 | 3.6L 6-cyl 4.6L 8-cyl | AWD, RWD | 17–21 mpg | Not rated | 0 | 4 | Fuel/propulsion system (1) | — |
Owner complaints are unverified reports to NHTSA, counted as filed: older years have had longer to collect them and sales aren't adjusted for. Most-reported problem: the component named in the most complaints that year. Sources: EPA, NHTSA, Apple.
Trims and features
Engines: 3.6L 6-cyl · Drive: AWD, RWD
2011 STS trims
| Base | Luxury | Luxury Performance |
|---|
base price, seating and driver-assistance equipment from NHTSA's vehicle database (vPIC), as Cadillac reports it. Tech and comfort features (CarPlay, heated seats, sunroof) for Cadillac aren't in our data yet. "—": not verified in our sources. "Varies": standard on some versions of the trim.
Every NHTSA-rated version: crash ratings, safety tech, recalls, complaints
| Year | Version | Stars | Forward collision warning | Lane departure warning | Recalls | Complaints |
|---|---|---|---|---|---|---|
| 2011 | Cadillac STS 4 DR AWD | Not Rated | Optional | Optional | 0 | 7 |
| 2011 | Cadillac STS 4 DR FWD | Not Rated | Optional | Optional | 0 | 7 |
| 2010 | Cadillac STS 4-DR w/SAB | Not Rated | Optional | Optional | 0 | 4 |
Source: NHTSA.
Every EPA-rated version: engines and combined mpg
| Year | EPA model | Engines | Combined |
|---|---|---|---|
| 2011 | STS | Auto (S6), 6 cyl, 3.6 L | 21 |
| 2011 | STS AWD | Auto (S6), 6 cyl, 3.6 L | 21 |
| 2010 | STS | Auto (S6), 6 cyl, 3.6 L Auto (S6), 8 cyl, 4.6 L |
18–21 |
| 2010 | STS AWD | Auto (S6), 6 cyl, 3.6 L Auto (S6), 8 cyl, 4.6 L |
17–21 |
Source: fueleconomy.gov.