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Cadillac CT4 MPG

EPA fuel economy for 52 Cadillac CT4 trims sold from 2020 to 2026. Best ever: 27 MPG (2023 CT4). Latest model year 2026: 18 to 26 MPG combined across 8 trims.

27best combined MPG (2023)
23 / 34city / highway of the best trim
18lowest combined MPG (2026)
7model years rated
$3,170a year to fuel, cheapest 2026 trim at EPA prices

Cadillac CT4 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 CT4 to fuel is the CT4, 2.0 L, 4 cyl (26 MPG) at $3,170 a year. The CT4 V, 3.6 L, 6 cyl (18 MPG) costs $4,580, so the thriftier trim saves $1,410 a year and $7,050 over five years.

2026 trimEngineTransmissionDriveFuelCombCost/yrvs cheapest
CT42.0 L, 4 cylAuto (S8)RWDPremium26$3,170cheapest
CT42.7 L, 4 cylAuto (S10)RWDPremium25$3,290+$130
CT4 AWD2.0 L, 4 cylAuto (S8)AWDPremium25$3,290+$130
CT4 AWD2.7 L, 4 cylAuto (S10)AWDPremium24$3,430+$260
CT4 V2.7 L, 4 cylAuto (S10)RWDPremium23$3,580+$410
CT4 V AWD2.7 L, 4 cylAuto (S10)AWDPremium23$3,580+$410
CT4 V3.6 L, 6 cylAuto (S10)RWDPremium19$4,330+$1,170
CT4 V3.6 L, 6 cylManual 6-spdRWDPremium18$4,580+$1,410

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 CT4 MPG by year

YearBest combinedCityHwyBest trim that yearTrims
2026262232CT4, 2.0 L, 4 cyl, Auto (S8)8
2025262232CT4, 2.0 L, 4 cyl, Auto (S8)8
2024262232CT4, 2.0 L, 4 cyl, Auto (S8)8
2023272334CT4, 2.0 L, 4 cyl, Auto (S8)8
2022272334CT4, 2.0 L, 4 cyl, Auto (S8)8
2021272334CT4, 2.0 L, 4 cyl, Auto (S8)6
2020272334CT4, 2.0 L, 4 cyl, Auto (S8)6

Every Cadillac CT4 trim

YearTrimEngineTransmissionDriveFuelCityHwyCombCO2 g/miFuel cost/yr
2026CT42.0 L, 4 cylAuto (S8)RWDPremium223226345$3,170
2026CT42.7 L, 4 cylAuto (S10)RWDPremium213125356$3,290
2026CT4 AWD2.0 L, 4 cylAuto (S8)AWDPremium213125357$3,290
2026CT4 AWD2.7 L, 4 cylAuto (S10)AWDPremium212924371$3,430
2026CT4 V2.7 L, 4 cylAuto (S10)RWDPremium202923383$3,580
2026CT4 V AWD2.7 L, 4 cylAuto (S10)AWDPremium202823387$3,580
2026CT4 V3.6 L, 6 cylAuto (S10)RWDPremium162419478$4,330
2026CT4 V3.6 L, 6 cylManual 6-spdRWDPremium152318493$4,580
2025CT42.0 L, 4 cylAuto (S8)RWDPremium223226345$3,170
2025CT42.7 L, 4 cylAuto (S10)RWDPremium213125356$3,290
2025CT4 AWD2.0 L, 4 cylAuto (S8)AWDPremium213125357$3,290
2025CT4 AWD2.7 L, 4 cylAuto (S10)AWDPremium212924371$3,430
2025CT4 V2.7 L, 4 cylAuto (S10)RWDPremium202923383$3,580
2025CT4 V AWD2.7 L, 4 cylAuto (S10)AWDPremium202823387$3,580
2025CT4 V3.6 L, 6 cylAuto (S10)RWDPremium162419478$4,330
2025CT4 V3.6 L, 6 cylManual 6-spdRWDPremium152318493$4,580
2024CT42.0 L, 4 cylAuto (S8)RWDPremium223226345$3,170
2024CT42.7 L, 4 cylAuto (S10)RWDPremium213125356$3,290
2024CT4 AWD2.0 L, 4 cylAuto (S8)AWDPremium213125357$3,290
2024CT4 AWD2.7 L, 4 cylAuto (S10)AWDPremium212924371$3,430
2024CT4 V2.7 L, 4 cylAuto (S10)RWDPremium202923384$3,580
2024CT4 V AWD2.7 L, 4 cylAuto (S10)AWDPremium202823387$3,580
2024CT4 V3.6 L, 6 cylAuto (S10)RWDPremium162419478$4,330
2024CT4 V3.6 L, 6 cylManual 6-spdRWDPremium152318488$4,580
2023CT42.0 L, 4 cylAuto (S8)RWDPremium233427331$3,050
2023CT4 AWD2.0 L, 4 cylAuto (S8)AWDPremium223126348$3,170
2023CT42.7 L, 4 cylAuto (S10)RWDPremium213125356$3,290
2023CT4 AWD2.7 L, 4 cylAuto (S10)AWDPremium212924371$3,430
2023CT4 V2.7 L, 4 cylAuto (S10)RWDPremium202923385$3,580
2023CT4 V AWD2.7 L, 4 cylAuto (S10)AWDPremium202823387$3,580
2023CT4 V3.6 L, 6 cylAuto (S10)RWDPremium162419478$4,330
2023CT4 V3.6 L, 6 cylManual 6-spdRWDPremium152318488$4,580
2022CT42.0 L, 4 cylAuto (S8)RWDPremium233427331$3,050
2022CT4 AWD2.0 L, 4 cylAuto (S8)AWDPremium223126348$3,170
2022CT42.7 L, 4 cylAuto (S10)RWDPremium213125356$3,290
2022CT4 AWD2.7 L, 4 cylAuto (S10)AWDPremium212924375$3,430
2022CT4 V2.7 L, 4 cylAuto (S10)RWDPremium202923385$3,580
2022CT4 V AWD2.7 L, 4 cylAuto (S10)AWDPremium202823386$3,580
2022CT4 V3.6 L, 6 cylAuto (S10)RWDPremium162419478$4,330
2022CT4 V3.6 L, 6 cylManual 6-spdRWDPremium152318488$4,580
2021CT42.0 L, 4 cylAuto (S8)RWDPremium233427327$3,050
2021CT4 AWD2.0 L, 4 cylAuto (S8)AWDPremium233226343$3,170
2021CT42.7 L, 4 cylAuto (S10)RWDPremium213125356$3,290
2021CT4 AWD2.7 L, 4 cylAuto (S10)AWDPremium212924374$3,430
2021CT4 V2.7 L, 4 cylAuto (S10)RWDPremium202923384$3,580
2021CT4 V AWD2.7 L, 4 cylAuto (S10)AWDPremium202823385$3,580
2020CT42.0 L, 4 cylAuto (S8)RWDPremium233427327$3,050
2020CT4 AWD2.0 L, 4 cylAuto (S8)AWDPremium233226343$3,170
2020CT42.7 L, 4 cylAuto (S10)RWDPremium203024373$3,430
2020CT4 AWD2.7 L, 4 cylAuto (S10)AWDPremium202823382$3,580
2020CT4 V2.7 L, 4 cylAuto (S10)RWDPremium202923384$3,580
2020CT4 V AWD2.7 L, 4 cylAuto (S10)AWDPremium202823382$3,580

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 Compact Cars

VehicleCombinedCityHwy
2026 Mercedes-Benz CLA250 Plus with EQ Tech (R22)126127124
2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels)118121115
2026 BMW i5 eDrive40 Sedan (19 inch Wheels)110114106
2026 Porsche Taycan 4 Perf Battery Plus 19in All-Season (M+S)939492
2026 Audi S e-tron GT (20 inch wheels)909188
2026 Audi RS e-tron GT Performance848582

All Compact Cars ranked by MPG

Questions people ask

What is the best MPG for a Cadillac CT4?

The most efficient Cadillac CT4 the EPA has rated is the 2023 CT4 at 27 MPG combined (23 city, 34 highway).

What MPG does the 2026 Cadillac CT4 get?

2026 Cadillac CT4 trims range from 18 to 26 MPG combined, depending on engine, transmission and drivetrain.

Which Cadillac CT4 has the worst fuel economy?

The 2026 CT4 V is the lowest rated at 18 MPG combined.

How much does it cost to fuel a Cadillac CT4 for a year?

At $5.49 a gallon for premium and 15,000 miles a year, the cheapest 2026 Cadillac CT4 to fuel is the CT4, 2.0 L, 4 cyl (26 MPG) at $3,170 a year. The CT4 V, 3.6 L, 6 cyl (18 MPG) costs $4,580, so the thriftier trim saves $1,410 a year and $7,050 over five years.

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