Cadillac CT5 MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Cadillac CT5 model year from 2020 to 2026 — each engine and transmission with its official city, highway and combined figures. Over these years the CT5 has been offered with 2.0L 4-cyl, 3.0L 6-cyl engines; the most efficient version is the 2025 (up to 25 MPG combined). Every rated gas version calls for premium gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

Cadillac CT5 fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2026 21–24 MPG 2.0L 4-cyl, 3.0L 6-cyl $58,713 656 listings
2025 21–25 MPG 2.0L 4-cyl, 3.0L 6-cyl $44,911 303 listings
2024 21–25 MPG 2.0L 4-cyl, 3.0L 6-cyl $33,892 25 listings
2023 21–25 MPG 2.0L 4-cyl, 3.0L 6-cyl $34,499 259 listings
2022 21–25 MPG 2.0L 4-cyl, 3.0L 6-cyl $26,998 18 listings
2021 21–25 MPG 2.0L 4-cyl, 3.0L 6-cyl $23,994 12 listings
2020 21–25 MPG 2.0L 4-cyl, 3.0L 6-cyl $22,242 11 listings

2026 Cadillac CT5: engines & MPG

The 2026 CT5 was EPA-rated in 2 versions (2.0L 4-cyl, 3.0L 6-cyl), with combined economy from 21 to 24 MPG. Used 2026 models currently list for a median of $58,713 on VehiSales (656 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CT5 AWD 2.0L 4-cyl Automatic (S10) Premium 21 30 24 MPG
CT5 AWD 3.0L 6-cyl Automatic (S10) Premium 18 27 21 MPG

2025 Cadillac CT5: engines & MPG

The 2025 CT5 was EPA-rated in 2 versions (2.0L 4-cyl, 3.0L 6-cyl), with combined economy from 21 to 25 MPG. Used 2025 models currently list for a median of $44,911 on VehiSales (303 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CT5 AWD 2.0L 4-cyl Automatic (S10) Premium 21 30 25 MPG
CT5 AWD 3.0L 6-cyl Automatic (S10) Premium 18 26 21 MPG

2024 Cadillac CT5: engines & MPG

The 2024 CT5 was EPA-rated in 2 versions (2.0L 4-cyl, 3.0L 6-cyl), with combined economy from 21 to 25 MPG. Used 2024 models currently list for a median of $33,892 on VehiSales (25 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CT5 AWD 2.0L 4-cyl Automatic (S10) Premium 22 30 25 MPG
CT5 AWD 3.0L 6-cyl Automatic (S10) Premium 18 26 21 MPG

2023 Cadillac CT5: engines & MPG

The 2023 CT5 was EPA-rated in 2 versions (2.0L 4-cyl, 3.0L 6-cyl), with combined economy from 21 to 25 MPG. Used 2023 models currently list for a median of $34,499 on VehiSales (259 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CT5 AWD 2.0L 4-cyl Automatic (S10) Premium 22 30 25 MPG
CT5 AWD 3.0L 6-cyl Automatic (S10) Premium 18 26 21 MPG

2022 Cadillac CT5: engines & MPG

The 2022 CT5 was EPA-rated in 2 versions (2.0L 4-cyl, 3.0L 6-cyl), with combined economy from 21 to 25 MPG. Used 2022 models currently list for a median of $26,998 on VehiSales (18 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CT5 AWD 2.0L 4-cyl Automatic (S10) Premium 22 30 25 MPG
CT5 AWD 3.0L 6-cyl Automatic (S10) Premium 18 26 21 MPG

2021 Cadillac CT5: engines & MPG

The 2021 CT5 was EPA-rated in 2 versions (2.0L 4-cyl, 3.0L 6-cyl), with combined economy from 21 to 25 MPG. Used 2021 models currently list for a median of $23,994 on VehiSales (12 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CT5 AWD 2.0L 4-cyl Automatic (S10) Premium 21 31 25 MPG
CT5 AWD 3.0L 6-cyl Automatic (S10) Premium 18 26 21 MPG

2020 Cadillac CT5: engines & MPG

The 2020 CT5 was EPA-rated in 2 versions (2.0L 4-cyl, 3.0L 6-cyl), with combined economy from 21 to 25 MPG. Used 2020 models currently list for a median of $22,242 on VehiSales (11 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CT5 AWD 2.0L 4-cyl Automatic (S10) Premium 21 31 25 MPG
CT5 AWD 3.0L 6-cyl Automatic (S10) Premium 18 25 21 MPG

Frequently asked questions

What MPG does a Cadillac CT5 get?

Depending on year and engine, EPA combined ratings for the CT5 range from 24 to 25 MPG. The most efficient rated version is the 2025 model year.

What engines does the 2026 Cadillac CT5 have?

The 2026 CT5 was EPA-rated with 2.0L 4-cyl, 3.0L 6-cyl engines — see the 2026 table above for each version's exact city/highway figures.

Does the Cadillac CT5 require premium gas?

Yes — every EPA-rated gas CT5 version specifies premium gasoline.

About this data: EPA ratings from the official U.S. DOE/EPA dataset (fueleconomy.gov), as of July 2026; refreshed monthly. Market prices and listing counts are live medians from VehiSales inventory, updated daily. How to cite: “VehiSales Research, Cadillac CT5 EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/cadillac/ct5.

See also: Cadillac CT5 hub — live listings, prices & reliability · Used Cadillac CT5 prices by year · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

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