# Cadillac CT5 specs and mpg by year - **Latest year:** 2026 - **MPG (combined):** 15-26 - **Drive:** AWD, RWD - **Years covered:** 2020-2026 ## Quick answer The 2026 Cadillac CT5 is a midsize car rated at 15-26 mpg combined. Engines: 3.0L V6 turbo; 6.2L V8 supercharged; 2.0L 4-cyl turbo. ## Every 2026 Cadillac CT5 version | Version | Engine | Drive | Transmission | City/Hwy | Combined | Fuel cost / year | CO2 | | --- | --- | --- | --- | --- | --- | --- | --- | | CT5 | 2.0L 4-cyl turbo | RWD | Automatic | 22/31 | 26 mpg | $3,150 | 346 g/mi | | CT5 AWD | 2.0L 4-cyl turbo | AWD | Automatic | 21/30 | 24 mpg | $3,400 | 370 g/mi | | CT5 | 3.0L V6 turbo | RWD | Automatic | 19/28 | 22 mpg | $3,750 | 399 g/mi | | CT5 V | 3.0L V6 turbo | RWD | Automatic | 18/27 | 21 mpg | $3,900 | 423 g/mi | | CT5 AWD | 3.0L V6 turbo | AWD | Automatic | 18/27 | 21 mpg | $3,900 | 418 g/mi | | CT5 V AWD | 3.0L V6 turbo | AWD | Automatic | 17/26 | 20 mpg | $4,100 | 445 g/mi | | CT5 V | 6.2L V8 supercharged | RWD | Automatic | 13/20 | 15 mpg | $5,500 | 580 g/mi | | CT5 V | 6.2L V8 supercharged | RWD | Manual | 13/20 | 15 mpg | $5,500 | 587 g/mi | Each row is a version the EPA tested. Fuel cost assumes 15,000 miles a year (55% city) at national average prices; CO2 is tailpipe emissions. ## Cadillac CT5 specs by year | Year | Engines | Transmission | Drive | MPG (combined) | | --- | --- | --- | --- | --- | | 2026 | 3.0L V6 turbo; 6.2L V8 supercharged; 2.0L 4-cyl turbo | Automatic, Manual | AWD, RWD | 15-26 | | 2025 | 3.0L V6 turbo; 2.0L 4-cyl turbo; 6.2L V8 supercharged | Automatic, Manual | AWD, RWD | 15-26 | | 2024 | 3.0L V6 turbo; 6.2L V8 supercharged; 2.0L 4-cyl turbo | Automatic, Manual | AWD, RWD | 15-27 | | 2023 | 2.0L 4-cyl turbo; 3.0L V6 turbo; 6.2L V8 supercharged | Automatic, Manual | AWD, RWD | 15-27 | | 2022 | 6.2L V8 supercharged; 3.0L V6 turbo; 2.0L 4-cyl turbo | Manual, Automatic | AWD, RWD | 15-27 | | 2021 | 3.0L V6 turbo; 2.0L 4-cyl turbo | Automatic | AWD, RWD | 21-26 | | 2020 | 2.0L 4-cyl turbo; 3.0L V6 turbo | Automatic | AWD, RWD | 20-26 | EPA combined ratings. MPGe is the EPA efficiency measure for electric cars. Ranges cover every engine and drivetrain EPA tested for that year. ## How has the CT5 changed over the years? - **2025:** combined mpg went from 15-27 to 15-26. - **2022:** added 6.2L V8 supercharged. - **2021:** combined mpg went from 20-26 to 21-26. ## What does it cost to run a CT5? The EPA puts the 2026 Cadillac CT5's fuel cost at **$3,150-$5,500 a year**, against about $2,392 for other current midsize car: roughly 81% more. Over five years at 15,000 miles a year that is about $21,625 in fuel. ## CT5 vs rivals | Model | Powertrains | Fuel economy | Range | Fuel cost / year | | --- | --- | --- | --- | --- | | [Toyota Prius](/vehicles/toyota-prius) | Hybrid | 48-57 mpg | -- | $1,200-$1,400 | | [Hyundai Elantra](/vehicles/hyundai-elantra) | Gas, Hybrid | 23-54 mpg | -- | $1,250-$3,550 | | [Toyota Camry](/vehicles/toyota-camry) | Hybrid | 43-51 mpg | -- | $1,300-$1,550 | | [Honda Civic](/vehicles/honda-civic) | Gas, Hybrid | 24-49 mpg | -- | $1,350-$3,400 | | [Honda Accord](/vehicles/honda-accord) | Gas, Hybrid | 31-48 mpg | -- | $1,400-$2,150 | | [Lexus ES](/vehicles/lexus-es) | Electric, Hybrid | 44-46 mpg | 307 mi | $600-$1,850 | | [Toyota Crown](/vehicles/toyota-crown) | Hybrid | 30-41 mpg | -- | $1,650-$2,250 | | [Nissan Sentra](/vehicles/nissan-sentra) | Gas | 32-33 mpg | -- | $2,050-$2,100 | Other current midsize car from other makes, most efficient first. ## Frequently asked questions ### What mpg does the 2026 Cadillac CT5 get? The 2026 Cadillac CT5 is EPA-rated at 15-26 mpg combined, depending on engine and drivetrain. Real-world mileage varies with speed, climate and load. ### What engine does the 2026 Cadillac CT5 have? The 2026 Cadillac CT5 comes with: 3.0L V6 turbo; 6.2L V8 supercharged; 2.0L 4-cyl turbo. It uses automatic, manual transmissions and is offered with AWD and RWD. ### Is there a hybrid Cadillac CT5? No. In the EPA data from 2020-2026 the Cadillac CT5 has no hybrid version. ### Which Cadillac CT5 year gets the best gas mileage? In the EPA data, the 2024 Cadillac CT5 has the highest combined rating, up to 27 mpg. Ratings for the same model can change between years when engines or test procedures change. ### How much does it cost to fuel a 2026 Cadillac CT5 for a year? About $3,150-$5,500 a year, using the EPA's assumptions of 15,000 miles (55% city, 45% highway) at national average fuel prices. Your cost depends on your local prices, mileage and driving style. ### What is the city and highway mpg of the 2026 Cadillac CT5? The most efficient 2026 version, the CT5, is rated 22 mpg city and 31 mpg highway (26 combined). Other engines and drivetrains are rated lower; the versions table above lists each one. ### How much CO2 does the 2026 Cadillac CT5 emit? EPA rates its tailpipe CO2 at 346-587 grams per mile depending on version. Lower is better; the cleanest gas cars sit under 250 g/mi and electric cars have none at the tailpipe. ### Does the 2026 Cadillac CT5 come with all-wheel drive? Yes. The 2026 Cadillac CT5 is offered with AWD and RWD. All- or four-wheel drive usually costs 1-3 mpg compared with the two-wheel-drive version of the same engine, as the versions table shows. ### Is the Cadillac CT5 cheap to run compared with other midsize cars? No, dearer than average: its EPA annual fuel cost of $3,150-$5,500 compares with about $2,392 for other current midsize car models. Fuel is only part of running costs; insurance, tires and repairs also differ. ## Sources - [fueleconomy.gov (US DOE and EPA)](https://www.fueleconomy.gov/) ## More Cadillac models - [Cadillac CT4](https://diagxcar.com/vehicles/cadillac-ct4) - [Cadillac Escalade](https://diagxcar.com/vehicles/cadillac-escalade) - [Cadillac LYRIQ](https://diagxcar.com/vehicles/cadillac-lyriq) - [Cadillac XT5](https://diagxcar.com/vehicles/cadillac-xt5) - [Cadillac XT4](https://diagxcar.com/vehicles/cadillac-xt4): discontinued - [Cadillac XT6](https://diagxcar.com/vehicles/cadillac-xt6): discontinued ## Other midsize cars - [Chevrolet Malibu](https://diagxcar.com/vehicles/chevrolet-malibu) - [Dodge Challenger](https://diagxcar.com/vehicles/dodge-challenger) - [Honda Accord](https://diagxcar.com/vehicles/honda-accord) - [Honda Civic](https://diagxcar.com/vehicles/honda-civic) - [Honda Clarity](https://diagxcar.com/vehicles/honda-clarity) - [Hyundai Elantra](https://diagxcar.com/vehicles/hyundai-elantra) - [Hyundai Ioniq 6](https://diagxcar.com/vehicles/hyundai-ioniq-6) - [Infiniti Q50](https://diagxcar.com/vehicles/infiniti-q50) ## Car care - [How long do tires last?](https://diagxcar.com/how-long/tires) - [How often to change oil](https://diagxcar.com/how-often/change-oil) - [Tire size calculator](https://diagxcar.com/tools/tire-size-calculator) --- Source page: https://diagxcar.com/vehicles/cadillac-ct5 Updated: 2026-11-03 General information, not a substitute for a qualified mechanic.