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

Researched By The AutoPadre Research Team


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 Premium 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.

Jump To Model Year

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.

2011 Cadillac STS Gas Mileage (Imperial)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
Premium Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 18 city mpg | 27 hwy mpg | 22.5 combined mpg
Luxury Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 18 city mpg | 27 hwy mpg | 22.5 combined mpg
Luxury Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 18 city mpg | 27 hwy mpg | 22.5 combined mpg
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 18 city mpg | 27 hwy mpg | 22.5 combined mpg
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 18 city mpg | 27 hwy mpg | 22.5 combined mpg
2011 Cadillac STS Gas Mileage (Metric)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
Premium Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 13.0 city L/100 km | 9.0 hwy L/100 km | 10.0 combined L/100 km
Luxury Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 13.0 city L/100 km | 9.0 hwy L/100 km | 10.0 combined L/100 km
Luxury Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 13.0 city L/100 km | 9.0 hwy L/100 km | 10.0 combined L/100 km
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 13.0 city L/100 km | 9.0 hwy L/100 km | 10.0 combined L/100 km
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 13.0 city L/100 km | 9.0 hwy L/100 km | 10.0 combined L/100 km

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.

2010 Cadillac STS Gas Mileage (Imperial)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 15 city mpg | 22 hwy mpg | 18.5 combined mpg
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 15 city mpg | 24 hwy mpg | 19.5 combined mpg
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 18 city mpg | 27 hwy mpg | 22.5 combined mpg
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 18 city mpg | 27 hwy mpg | 22.5 combined mpg
2010 Cadillac STS Gas Mileage (Metric)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 16.0 city L/100 km | 11.0 hwy L/100 km | 13.0 combined L/100 km
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 16.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 13.0 city L/100 km | 9.0 hwy L/100 km | 10.0 combined L/100 km
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 13.0 city L/100 km | 9.0 hwy L/100 km | 10.0 combined L/100 km

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.

2009 Cadillac STS Gas Mileage (Imperial)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
V VSeries Sedan 4.4L | V8 | NORTHSTAR DOHC MFI VARIABLE VALVE TIMING | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 13 city mpg | 19 hwy mpg | 16 combined mpg
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 15 city mpg | 22 hwy mpg | 18.5 combined mpg
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 15 city mpg | 24 hwy mpg | 19.5 combined mpg
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 17 city mpg | 26 hwy mpg | 21.5 combined mpg
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 17 city mpg | 26 hwy mpg | 21.5 combined mpg
2009 Cadillac STS Gas Mileage (Metric)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
V VSeries Sedan 4.4L | V8 | NORTHSTAR DOHC MFI VARIABLE VALVE TIMING | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 18.0 city L/100 km | 12.0 hwy L/100 km | 15.0 combined L/100 km
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 16.0 city L/100 km | 11.0 hwy L/100 km | 13.0 combined L/100 km
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 16.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km

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.

2008 Cadillac STS Gas Mileage (Imperial)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
V VSeries Sedan 4.4L | Superchraged | V8 | NORTHSTAR DOHC MFI VARIABLE VALVE TIMING | 6 Spd Auto For Rwd, Tap-Up/Tap-Down | RWD 13 city mpg | 19 hwy mpg | 16 combined mpg
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 14 city mpg | 21 hwy mpg | 17.5 combined mpg
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 15 city mpg | 24 hwy mpg | 19.5 combined mpg
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 17 city mpg | 26 hwy mpg | 21.5 combined mpg
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 17 city mpg | 26 hwy mpg | 21.5 combined mpg
2008 Cadillac STS Gas Mileage (Metric)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
V VSeries Sedan 4.4L | Superchraged | V8 | NORTHSTAR DOHC MFI VARIABLE VALVE TIMING | 6 Spd Auto For Rwd, Tap-Up/Tap-Down | RWD 18.0 city L/100 km | 12.0 hwy L/100 km | 15.0 combined L/100 km
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 17.0 city L/100 km | 11.0 hwy L/100 km | 13.0 combined L/100 km
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 16.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Awd, Electronically-Controlled Ptu OD, Hydra-Matic 6L40-E, Tap Up/Tap Down | AWD 14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km
Sedan 3.6L | V6 | VARIABLE VALVE TIMING DI DIRECT INJECTION | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E, Tap Up/Tap Down | RWD 14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km

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.

2007 Cadillac STS Gas Mileage (Imperial)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
V VSeries Sedan 4.4L | Superchraged | V8 | NORTHSTAR DOHC VARIABLE VALVE TIMING SFI | 6 Spd Auto For Rwd, Tap-Up/Tap-Down | RWD 14 city mpg | 21 hwy mpg | 17.5 combined mpg
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E | RWD 15 city mpg | 23 hwy mpg | 19 combined mpg
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E | RWD 15 city mpg | 23 hwy mpg | 19 combined mpg
Sedan 3.6L | V6 | VARIABLE VALVE TIMING SFI | 5 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 5L40-E | RWD 17 city mpg | 25 hwy mpg | 21 combined mpg
Sedan 3.6L | V6 | VARIABLE VALVE TIMING SFI | 5 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 5L40-E | RWD 17 city mpg | 25 hwy mpg | 21 combined mpg
2007 Cadillac STS Gas Mileage (Metric)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
V VSeries Sedan 4.4L | Superchraged | V8 | NORTHSTAR DOHC VARIABLE VALVE TIMING SFI | 6 Spd Auto For Rwd, Tap-Up/Tap-Down | RWD 17.0 city L/100 km | 11.0 hwy L/100 km | 13.0 combined L/100 km
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E | RWD 16.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km
Sedan 4.6L | V8 | NORTHSTAR VARIABLE VALVE TIMING SFI | 6 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 6L50-E | RWD 16.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km
Sedan 3.6L | V6 | VARIABLE VALVE TIMING SFI | 5 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 5L40-E | RWD 14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km
Sedan 3.6L | V6 | VARIABLE VALVE TIMING SFI | 5 Spd Auto For Rwd, Electronically-Controlled With OD, Hydra-Matic, 5L40-E | RWD 14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km

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.

2006 Cadillac STS Gas Mileage (Imperial)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
Sedan 4.6L | V8 | NORTHSTAR VVT SFI | 5 Spd Auto, Hmd, 5L50-E, Electronic, O/D, Rwd | RWD 16 city mpg | 23 hwy mpg | 19.5 combined mpg
Sedan 4.6L | V8 | NORTHSTAR VVT SFI | 5 Spd Auto, Hmd, 5L50-E, Electronic, O/D, Rwd | RWD 16 city mpg | 23 hwy mpg | 19.5 combined mpg
Sedan 3.6L | V6 | VVT | 5 Spd Auto, Hmd, 5L40-E, Electronic | RWD 17 city mpg | 25 hwy mpg | 21 combined mpg
Sedan 3.6L | V6 | VVT | 5 Spd Auto, Hmd, 5L40-E, Electronic | RWD 17 city mpg | 25 hwy mpg | 21 combined mpg
2006 Cadillac STS Gas Mileage (Metric)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
Sedan 4.6L | V8 | NORTHSTAR VVT SFI | 5 Spd Auto, Hmd, 5L50-E, Electronic, O/D, Rwd | RWD 15.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km
Sedan 4.6L | V8 | NORTHSTAR VVT SFI | 5 Spd Auto, Hmd, 5L50-E, Electronic, O/D, Rwd | RWD 15.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km
Sedan 3.6L | V6 | VVT | 5 Spd Auto, Hmd, 5L40-E, Electronic | RWD 14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km
Sedan 3.6L | V6 | VVT | 5 Spd Auto, Hmd, 5L40-E, Electronic | RWD 14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km

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.

2005 Cadillac STS Gas Mileage (Imperial)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
Sedan 4.6L | V8 | NORTHSTAR VVT SFI VARIABLE VALVE TIMING NORTHSTAR | 5 Spd Auto, Hmd, 5L50-E, Electronic, O/D, Rwd | RWD 16 city mpg | 22 hwy mpg | 19 combined mpg
Sedan 4.6L | V8 | NORTHSTAR VVT SFI VARIABLE VALVE TIMING NORTHSTAR | 5 Spd Auto, Hmd, 5L50-E, Electronic, O/D, Rwd | RWD 16 city mpg | 22 hwy mpg | 19 combined mpg
Sedan 3.6L | V6 | VVT | 5 Spd Auto, Hmd, 5L40-E, Electronic | RWD 17 city mpg | 24 hwy mpg | 20.5 combined mpg
2005 Cadillac STS Gas Mileage (Metric)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
Sedan 4.6L | V8 | NORTHSTAR VVT SFI VARIABLE VALVE TIMING NORTHSTAR | 5 Spd Auto, Hmd, 5L50-E, Electronic, O/D, Rwd | RWD 15.0 city L/100 km | 11.0 hwy L/100 km | 12.0 combined L/100 km
Sedan 4.6L | V8 | NORTHSTAR VVT SFI VARIABLE VALVE TIMING NORTHSTAR | 5 Spd Auto, Hmd, 5L50-E, Electronic, O/D, Rwd | RWD 15.0 city L/100 km | 11.0 hwy L/100 km | 12.0 combined L/100 km
Sedan 3.6L | V6 | VVT | 5 Spd Auto, Hmd, 5L40-E, Electronic | RWD 14.0 city L/100 km | 10.0 hwy L/100 km | 11.0 combined L/100 km
Cadillac STS Gas Mileage Data Brought To You By AutoPadre
Cadillac STS Gas Mileage Data Brought To You By AutoPadre