- Gas
- Midsize cars
- MY2003–2019
Cadillac CTS MPG & Fuel Cost by Year
17 model years · 2003–2019
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cadillac CTS fuel economy at a glance
EPA has rated the Cadillac CTS for 17 model years, 2003 to 2019. Across those years its combined rating runs 14–25 MPG. The latest model year, 2019, has 6 configurations rated 16–25 MPG combined and costing $2,900–$4,900 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2003 is the 2019 CTS 2.0L 4-cyl turbo RWD, at 25 MPG.
Cadillac CTS MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2014-2019 (3rd gen) Generation page | ||
| 2019 | 16–25 | $2,900–$4,900 |
| 2018 | 19–25 | $2,760–$4,230 |
| 2017 | 17–25 | $2,760–$4,800 |
| 2016 | 17–25 | $2,780–$4,820 |
| 2015 | 14–24 | $2,750–$5,780 |
| 2014 | 14–23 | $2,820–$5,680 |
| 2008-2013 (2nd gen) Generation page | ||
| 2013 | 14–21 | $3,040–$5,800 |
| 2012 | 14–21 | $3,040–$5,630 |
| 2011 | 14–21 | $3,040–$5,720 |
| 2010 | 14–22 | $2,970–$5,740 |
| 2009 | 19–21 | $3,110–$3,440 |
| 2008 | 19–21 | $3,110–$3,440 |
| 2003-2007 (1st gen) Generation page | ||
| 2007 | 16–19 | $3,440–$5,020 |
| 2006 | 17–19 | $3,440–$4,730 |
| 2005 | 16–19 | $3,440–$5,020 |
| 2004 | 17–19 | $3,440–$4,730 |
| 2003 | 19 | $4,230 |
Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.
Cadillac CTS generations
3 generations between 2003 and 2019. Open one for the table of every model year and configuration.
2019 powertrain options
Frequently asked questions
What is the Cadillac CTS's gas mileage by year?
EPA combined ratings for the Cadillac CTS run 14–25 MPG across model years 2003 to 2019. The latest year, 2019, is rated 16–25 MPG.
Which Cadillac CTS model year has the best gas mileage?
The 2019 Cadillac CTS CTS 2.0L 4-cyl turbo RWD has the highest combined rating since 2003, at 25 MPG.
How much does a Cadillac CTS cost to fuel per year?
For MY2019, EPA-rated configurations cost $2,900–$4,900 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,200.
Has the Cadillac CTS's fuel economy improved over time?
Yes. The most efficient configuration moved from 19 MPG in 2003 to 25 MPG in 2019, 6 MPG more.
Which Cadillac CTS model years have the same ratings?
EPA lists identical ratings as the previous year for 2009. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.