Cadillac STS Gas Mileage (2005 - 2011): Comprehensive Fuel Economy Data

The Cadillac STS gas mileage is 16 to 22.5 miles per gallon as specified in our data below, organized by trim, option package, and model year.

For example, the 2009 Cadillac STS V VSeries trim model has a combined gas mileage of 16 miles per gallon, while the 2011 Cadillac STS has a combined gas mileage of 22.5 miles per gallon.

In the city, the STS gas mileage is 13 to 18 miles per gallon depending on the trim and model year.

On the highway, the STS gas mileage is 19 to 27 miles per gallon depending on the trim and model year.

Note: The gas mileage shown for hybrid vehicles is the miles per gallon equivalent.

Check out the Gas Mileage specifications for other makes and models.

2011 Cadillac STS Gas Mileage

The 2011 Cadillac STS gas mileage is 22.5 miles per gallon combined.

In the city, the 2011 STS gas mileage is 18 miles per gallon.

On the highway, the 2011 STS gas mileage is 27 miles per gallon.

2010 Cadillac STS Gas Mileage

Depending on trim level, the 2010 Cadillac STS gas mileage is from 18.5 to 22.5 miles per gallon combined.

In the city, the 2010 STS gas mileage is from 15 to 18 miles per gallon, depending on the trim.

On the highway, the 2010 STS gas mileage is from 22 to 27 miles per gallon, depending on the trim.

2009 Cadillac STS Gas Mileage

Depending on trim level, the 2009 Cadillac STS gas mileage is from 16 to 21.5 miles per gallon combined.

In the city, the 2009 STS gas mileage is from 13 to 17 miles per gallon, depending on the trim.

On the highway, the 2009 STS gas mileage is from 19 to 26 miles per gallon, depending on the trim.

2008 Cadillac STS Gas Mileage

Depending on trim level, the 2008 Cadillac STS gas mileage is from 16 to 21.5 miles per gallon combined.

In the city, the 2008 STS gas mileage is from 13 to 17 miles per gallon, depending on the trim.

On the highway, the 2008 STS gas mileage is from 19 to 26 miles per gallon, depending on the trim.

2007 Cadillac STS Gas Mileage

Depending on trim level, the 2007 Cadillac STS gas mileage is from 17.5 to 21 miles per gallon combined.

In the city, the 2007 STS gas mileage is from 14 to 17 miles per gallon, depending on the trim.

On the highway, the 2007 STS gas mileage is from 21 to 25 miles per gallon, depending on the trim.

2006 Cadillac STS Gas Mileage

Depending on trim level, the 2006 Cadillac STS gas mileage is from 19.5 to 21 miles per gallon combined.

In the city, the 2006 STS gas mileage is from 16 to 17 miles per gallon, depending on the trim.

On the highway, the 2006 STS gas mileage is from 23 to 25 miles per gallon, depending on the trim.

2005 Cadillac STS Gas Mileage

Depending on trim level, the 2005 Cadillac STS gas mileage is from 19 to 20.5 miles per gallon combined.

In the city, the 2005 STS gas mileage is from 16 to 17 miles per gallon, depending on the trim.

On the highway, the 2005 STS gas mileage is from 22 to 24 miles per gallon, depending on the trim.