Fuel Economy of Cadillac STS Cars
The following table compares the fuel economies of different models of Cadillac STS cars, across model years.
The annual fuel costs (shown in the right-hand columns) are calculated based on an estimated annual mileage of 15,000 miles,
of which 55% of the miles are city driving, and 45% of the miles are highway driving.
Annual Cost 1 assumes a fuel cost of $5.00 per gallon, while Annual Cost 2 assumes a fuel cost of $6.00 per gallon.
Table 1. Fuel Economy of Cadillac STS AWD
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2011 STS AWD | Automatic (S6) | 6 | 21 | 18 | 26 | $3,589 | $4,307 |
| 2010 STS AWD | Automatic (S6) | 6 | 21 | 18 | 27 | $3,541 | $4,250 |
| 2010 STS AWD | Automatic (S6) | 8 | 17 | 15 | 22 | $4,284 | $5,140 |
| 2009 STS AWD | Automatic (S6) | 6 | 20 | 17 | 26 | $3,724 | $4,469 |
| 2009 STS AWD | Automatic (S6) | 8 | 17 | 15 | 22 | $4,284 | $5,140 |
| 2008 STS AWD | Automatic (S6) | 6 | 20 | 17 | 26 | $3,724 | $4,469 |
| 2008 STS AWD | Automatic (S6) | 8 | 16 | 14 | 21 | $4,553 | $5,464 |
| 2007 STS AWD | Automatic (S5) | 6 | 18 | 16 | 23 | $4,045 | $4,854 |
| 2006 STS AWD | Automatic (S5) | 6 | 18 | 15 | 23 | $4,217 | $5,060 |
| 2006 STS AWD | Automatic (S5) | 8 | 17 | 14 | 21 | $4,553 | $5,464 |
| 2005 STS AWD | Automatic (S5) | 8 | 17 | 14 | 21 | $4,553 | $5,464 |
Table 2. Fuel Economy of Cadillac STS
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2011 STS | Automatic (S6) | 6 | 21 | 18 | 27 | $3,541 | $4,250 |
| 2010 STS | Automatic (S6) | 6 | 21 | 18 | 27 | $3,541 | $4,250 |
| 2010 STS | Automatic (S6) | 8 | 18 | 15 | 24 | $4,156 | $4,987 |
| 2009 STS | Automatic (S6) | 8 | 18 | 15 | 24 | $4,156 | $4,987 |
| 2009 STS | Automatic (S6) | 6 | 20 | 17 | 26 | $3,724 | $4,469 |
| 2008 STS | Automatic (S6) | 6 | 20 | 17 | 26 | $3,724 | $4,469 |
| 2008 STS | Automatic (S6) | 8 | 18 | 15 | 24 | $4,156 | $4,987 |
| 2007 STS | Automatic (S5) | 6 | 19 | 16 | 25 | $3,928 | $4,713 |
| 2007 STS | Automatic (S6) | 8 | 18 | 15 | 24 | $4,156 | $4,987 |
| 2007 STS | Automatic (S6) | 8 | 16 | 14 | 21 | $4,553 | $5,464 |
| 2006 STS | Automatic (S5) | 6 | 19 | 16 | 25 | $3,928 | $4,713 |
| 2006 STS | Automatic (S5) | 8 | 18 | 15 | 24 | $4,156 | $4,987 |
Table 3. Fuel Economy of Cadillac STS 2WD
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2005 STS 2WD | Automatic (S5) | 6 | 18 | 16 | 23 | $4,045 | $4,854 |
| 2005 STS 2WD | Automatic (S5) | 8 | 18 | 15 | 23 | $4,217 | $5,060 |
Back to Fuel economy of Cadillac cars.Data source: Fuel Economy USA, Reference.