2006 · Midsize Car · Gas
2006 Cadillac CTS MPG & fuel economy
The 2006 Cadillac CTS is a midsize car offered in 5 EPA-rated configurations. The most efficient version returns 19 MPG combined (15 city / 25 highway) on regular gasoline. Across the lineup, combined ratings range from 17 to 19 MPG. Efficiency is unchanged from the 2005 model. Among 41 midsize cars rated for 2006, it ranks 22nd for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,447 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2006 Cadillac CTS's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 6.4 km/L in the city and 10.6 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 15 | 6.4 | 15.7 |
| Highway | 25 | 10.6 | 9.4 |
| Combined | 19 | 8.1 | 12.4 |
How it ranks among 2006 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
CTS MPG across model years
Full history →5 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 2.8L 6-cyl · 6-speed manual CTS |
Gas | 15 MPG | 25 MPG | 19 MPG | — | $2,447 |
| RWD · 2.8L 6-cyl · 5-speed automatic CTS |
Gas | 16 MPG | 24 MPG | 19 MPG | — | $2,447 |
| RWD · 3.6L 6-cyl · 5-speed automatic CTS |
Gas | 16 MPG | 25 MPG | 19 MPG | — | $2,447 |
| RWD · 3.6L 6-cyl · 6-speed manual CTS |
Gas | 15 MPG | 24 MPG | 18 MPG | — | $2,583 |
| RWD · 6.0L 8-cyl · 6-speed manual CTS-V |
Gas | 14 MPG | 23 MPG | 17 MPG | — | $3,485 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 2.8L 6-cyl
- Transmission
- 6-speed manual
- Drivetrain
- RWD
- Passenger volume
- 99 cu ft
- Cargo volume
- 13 cu ft
- Tailpipe CO₂
- 468 g/mi
2006 Cadillac CTS vs. rivals
Compare the 2006 CTS
With any other car from any year, including other CTS model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2006 Cadillac CTS?
Up to 19 MPG combined (15 city / 25 highway); ratings range from 17 to 19 MPG depending on configuration.
What fuel does the 2006 Cadillac CTS use?
Regular gasoline.
What is the fuel average in km/L for the 2006 Cadillac CTS?
The 2006 Cadillac CTS's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 6.4 km/L in the city and 10.6 km/L on the highway.
How much does it cost to fuel the 2006 Cadillac CTS per year?
About $2,447 at 15,000 miles a year with $3.10/gal regular gas, or $16.32 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.