2011 Cadillac STS
Midsize Cars · Rear-Wheel Drive · Regular Gasoline
21
Combined MPG
18
City MPG
27
Highway MPG
—
Safety Rating
📊 Key Statistics — 2011 Cadillac STS
- Combined fuel economy: 21 MPG (18 city / 27 highway)
- Annual fuel cost: $2,850
- CO₂ emissions: 423 grams/mile
Specifications
| Make | Cadillac · Company Profile |
| Model | STS |
| Year | 2011 |
| Class | Midsize Cars |
| Drive | Rear-Wheel Drive |
| Transmission | Automatic (S6) |
| Fuel Type | Regular Gasoline |
| Cylinders | 6 |
| Engine Size | 3.6L |
Annual Fuel Cost
| Annual Fuel Cost (15K mi, $3.50/gal) | $2500 |
| Monthly Fuel Cost | $208 |
| Cost per Mile (fuel only) | $17¢ |
Based on 15,000 miles/year and $3.50/gallon national average.
Compare This Car
Cadillac STS — MPG by Year
| Year | MPG | |
|---|---|---|
| 2010 | 21 | = |
| 2009 | 20 | ↓ |
| 2008 | 20 | ↓ |
| 2007 | 19 | ↓ |
| 2006 | 19 | ↓ |
| 2005 | 18 | ↓ |
Similar 2011 Midsize Cars
- Nissan Leaf — 99 MPG
- Toyota Prius — 48 MPG
- Lincoln MKZ — 38 MPG
- Mercury Milan — 38 MPG
- Ford Fusion — 38 MPG
- Kia Optima — 36 MPG
- Hyundai Sonata — 36 MPG
- Nissan Altima — 33 MPG