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2025 Cadillac CT5 mpg

Combined mpg, 4dr Sdn Premium Luxury RWD

27mpg

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12,000 miles a year. Gas $3.20.

020406080Median 26CT5: 27 mpg
68 sedans (2025), one trim per model: the cheapest with a rating. Median 26 mpg.
2025 Cadillac CT5 mpg by trim
TrimEngineDriveCity mpgHwy mpgCombinedTank, galMiles per tankCost a year
4dr Sdn Premium Luxury RWD2.0L 4cylRWD23332717.0459$1,422
4dr Sdn Sport RWD2.0L 4cylRWD23332717.0459$1,422
Premium Luxury AWD2.0L 4cylAWD21302517.0425$1,536
Sport AWD2.0L 4cylAWD21302517.0425$1,536
CT5-V 4dr Sdn RWD3.0L 6cylRWD18272117.0357$1,829
V V-Series AWD3.0L 6cylAWD17262017.4348$1,920
V V-Series Blackwing Le Monstre Edition RWD6.2L 8cylRWD13201517.4261$2,560
V V-Series Blackwing RWD6.2L 8cylRWD13201517.4261$2,560

Fuel cost

4dr Sdn Premium Luxury RWD, 27 mpg combined.

Per year
$1,422
Per month
$119
Per mile
11.9 cents
Fill the tank
$54.40
  • Top trim: CT5-V 4dr Sdn RWD. $1,829 a year. $406 more than the 4dr Sdn Premium Luxury RWD.

Trip cost

4dr Sdn Premium Luxury RWD: 33 mpg highway
TripGallonsCost
100 miles3.0$9.70
300 miles9.1$29.09
500 miles15.2$48.48
1,000 miles30.3$96.97

Commute cost

Per month
$103
Per year
$1,233
Miles a month
867

4dr Sdn Premium Luxury RWD. 20 miles each way, 5 days a week.

Is 27 mpg good? Yes. Beats 68% of 2026 cars.

MPG by year

2626.226.426.626.8272020202120222023202420252026
CT5: combined mpg of the cheapest rated trim, 2020 to 2026.

CT5 by year: price, hp, mpg, size

Rivals

2025 Cadillac CT5 and rivals
CarCheapest trimCombined mpgCompare
2025 Cadillac CT54dr Sdn Premium Luxury RWD27 mpg
2025 Audi A4 AllroadPremium AWD26 mpgCompare
2025 Cadillac CT4-V BlackwingCT4 Luxury AWD25 mpg
2025 Mercedes-Benz C-ClassC 300 RWD29 mpgCompare
2025 Audi S3Premium AWD26 mpg
2025 Mercedes-Benz E-Class All TerrainCLA 250 Coupe27 mpg
2025 Audi A5 Sportback40 TFSI Premium AWD29 mpg

What this cannot tell you

EPA ratings. Your own mpg will differ.

Gas prices change by state and by week.

How values are checked