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Cadillac CT5 MPG

EPA fuel economy for 52 Cadillac CT5 trims sold from 2020 to 2026. Best ever: 27 MPG (2024 CT5). Latest model year 2026: 15 to 26 MPG combined across 8 trims.

27best combined MPG (2024)
23 / 33city / highway of the best trim
15lowest combined MPG (2026)
7model years rated
$3,170a year to fuel, cheapest 2026 trim at EPA prices

Cadillac CT5 fuel cost calculator

Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.

At $5.49 a gallon for premium and 15,000 miles a year, the cheapest 2026 Cadillac CT5 to fuel is the CT5, 2.0 L, 4 cyl (26 MPG) at $3,170 a year. The CT5 V, 6.2 L, 8 cyl (15 MPG) costs $5,490, so the thriftier trim saves $2,320 a year and $11,600 over five years.

2026 trimEngineTransmissionDriveFuelCombCost/yrvs cheapest
CT52.0 L, 4 cylAuto (S10)RWDPremium26$3,170cheapest
CT5 AWD2.0 L, 4 cylAuto (S10)AWDPremium24$3,430+$260
CT53.0 L, 6 cylAuto (S10)RWDPremium22$3,740+$580
CT5 AWD3.0 L, 6 cylAuto (S10)AWDPremium21$3,920+$750
CT5 V3.0 L, 6 cylAuto (S10)RWDPremium21$3,920+$750
CT5 V AWD3.0 L, 6 cylAuto (S10)AWDPremium20$4,120+$950
CT5 V6.2 L, 8 cylAuto (S10)RWDPremium15$5,490+$2,320
CT5 V6.2 L, 8 cylManual 6-spdRWDPremium15$5,490+$2,320

Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Rounded to the nearest $10. Your prices are kept in this browser only.

Cadillac CT5 MPG by year

YearBest combinedCityHwyBest trim that yearTrims
2026262231CT5, 2.0 L, 4 cyl, Auto (S10)8
2025262332CT5, 2.0 L, 4 cyl, Auto (S10)8
2024272333CT5, 2.0 L, 4 cyl, Auto (S10)8
2023272333CT5, 2.0 L, 4 cyl, Auto (S10)8
2022272333CT5, 2.0 L, 4 cyl, Auto (S10)8
2021262332CT5, 2.0 L, 4 cyl, Auto (S10)6
2020262332CT5, 2.0 L, 4 cyl, Auto (S10)6

Every Cadillac CT5 trim

YearTrimEngineTransmissionDriveFuelCityHwyCombCO2 g/miFuel cost/yr
2026CT52.0 L, 4 cylAuto (S10)RWDPremium223126346$3,170
2026CT5 AWD2.0 L, 4 cylAuto (S10)AWDPremium213024370$3,430
2026CT53.0 L, 6 cylAuto (S10)RWDPremium192822399$3,740
2026CT5 AWD3.0 L, 6 cylAuto (S10)AWDPremium182721418$3,920
2026CT5 V3.0 L, 6 cylAuto (S10)RWDPremium182721423$3,920
2026CT5 V AWD3.0 L, 6 cylAuto (S10)AWDPremium172620445$4,120
2026CT5 V6.2 L, 8 cylAuto (S10)RWDPremium132015580$5,490
2026CT5 V6.2 L, 8 cylManual 6-spdRWDPremium132015587$5,490
2025CT52.0 L, 4 cylAuto (S10)RWDPremium233226341$3,170
2025CT5 AWD2.0 L, 4 cylAuto (S10)AWDPremium213025361$3,290
2025CT53.0 L, 6 cylAuto (S10)RWDPremium192822399$3,740
2025CT5 AWD3.0 L, 6 cylAuto (S10)AWDPremium182621422$3,920
2025CT5 V3.0 L, 6 cylAuto (S10)RWDPremium182721424$3,920
2025CT5 V AWD3.0 L, 6 cylAuto (S10)AWDPremium172620445$4,120
2025CT5 V6.2 L, 8 cylAuto (S10)RWDPremium132015579$5,490
2025CT5 V6.2 L, 8 cylManual 6-spdRWDPremium132015587$5,490
2024CT52.0 L, 4 cylAuto (S10)RWDPremium233327333$3,050
2024CT5 AWD2.0 L, 4 cylAuto (S10)AWDPremium223025358$3,290
2024CT53.0 L, 6 cylAuto (S10)RWDPremium192722406$3,740
2024CT5 AWD3.0 L, 6 cylAuto (S10)AWDPremium182621419$3,920
2024CT5 V3.0 L, 6 cylAuto (S10)RWDPremium182721423$3,920
2024CT5 V AWD3.0 L, 6 cylAuto (S10)AWDPremium182621419$3,920
2024CT5 V6.2 L, 8 cylAuto (S10)RWDPremium132116558$5,150
2024CT5 V6.2 L, 8 cylManual 6-spdRWDPremium132115592$5,490
2023CT52.0 L, 4 cylAuto (S10)RWDPremium233327333$3,050
2023CT5 AWD2.0 L, 4 cylAuto (S10)AWDPremium223025358$3,290
2023CT53.0 L, 6 cylAuto (S10)RWDPremium192722405$3,740
2023CT5 AWD3.0 L, 6 cylAuto (S10)AWDPremium182621419$3,920
2023CT5 V3.0 L, 6 cylAuto (S10)RWDPremium182721423$3,920
2023CT5 V AWD3.0 L, 6 cylAuto (S10)AWDPremium182621419$3,920
2023CT5 V6.2 L, 8 cylAuto (S10)RWDPremium132116558$5,150
2023CT5 V6.2 L, 8 cylManual 6-spdRWDPremium132115592$5,490
2022CT52.0 L, 4 cylAuto (S10)RWDPremium233327333$3,050
2022CT5 AWD2.0 L, 4 cylAuto (S10)AWDPremium223025358$3,290
2022CT53.0 L, 6 cylAuto (S10)RWDPremium192722405$3,740
2022CT5 AWD3.0 L, 6 cylAuto (S10)AWDPremium182621419$3,920
2022CT5 V3.0 L, 6 cylAuto (S10)RWDPremium182721423$3,920
2022CT5 V AWD3.0 L, 6 cylAuto (S10)AWDPremium182621419$3,920
2022CT5 V6.2 L, 8 cylAuto (S10)RWDPremium132216557$5,150
2022CT5 V6.2 L, 8 cylManual 6-spdRWDPremium132115573$5,490
2021CT52.0 L, 4 cylAuto (S10)RWDPremium233226337$3,170
2021CT5 AWD2.0 L, 4 cylAuto (S10)AWDPremium213125389$3,290
2021CT53.0 L, 6 cylAuto (S10)RWDPremium192822404$3,740
2021CT5 AWD3.0 L, 6 cylAuto (S10)AWDPremium182621419$3,920
2021CT5 V3.0 L, 6 cylAuto (S10)RWDPremium182721423$3,920
2021CT5 V AWD3.0 L, 6 cylAuto (S10)AWDPremium182621419$3,920
2020CT52.0 L, 4 cylAuto (S10)RWDPremium233226337$3,170
2020CT5 AWD2.0 L, 4 cylAuto (S10)AWDPremium213125356$3,290
2020CT53.0 L, 6 cylAuto (S10)RWDPremium192621412$3,920
2020CT5 AWD3.0 L, 6 cylAuto (S10)AWDPremium182521431$3,920
2020CT5 V3.0 L, 6 cylAuto (S10)RWDPremium182621412$3,920
2020CT5 V AWD3.0 L, 6 cylAuto (S10)AWDPremium172520442$4,120

CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).

Compare with other 2026 Midsize Cars

VehicleCombinedCityHwy
2026 Tesla Model 3 Standard RWD139147130
2026 Lexus ES 350e (19 inch Wheels)127135118
2026 Genesis Electrified G80969993
2026 Mercedes-Benz EQE 320 Plus949494
2026 Porsche Taycan GTS Sport Turismo828480
2026 Toyota Prius575756

All Midsize Cars ranked by MPG

Questions people ask

What is the best MPG for a Cadillac CT5?

The most efficient Cadillac CT5 the EPA has rated is the 2024 CT5 at 27 MPG combined (23 city, 33 highway).

What MPG does the 2026 Cadillac CT5 get?

2026 Cadillac CT5 trims range from 15 to 26 MPG combined, depending on engine, transmission and drivetrain.

Which Cadillac CT5 has the worst fuel economy?

The 2026 CT5 V is the lowest rated at 15 MPG combined.

How much does it cost to fuel a Cadillac CT5 for a year?

At $5.49 a gallon for premium and 15,000 miles a year, the cheapest 2026 Cadillac CT5 to fuel is the CT5, 2.0 L, 4 cyl (26 MPG) at $3,170 a year. The CT5 V, 6.2 L, 8 cyl (15 MPG) costs $5,490, so the thriftier trim saves $2,320 a year and $11,600 over five years.

More from Cadillac: every Cadillac model. Fuel types on this model: Premium. EPA classes: Midsize Cars.