Cadillac · 2020–2026 · Gas

Cadillac CT5 MPG by year

The EPA has rated 7 model years of the Cadillac CT5, from 2020 to 2026. The most fuel-efficient year is the 2024, at 27 MPG combined in its best configuration. The 2026 model is 13% less efficient than the median midsize car that year (26 vs. 30 MPG).

Most efficient year202427 MPG combined
Latest (2026)26 MPG$2,279/yr to fuel
First rated (2020)26 MPG$2,279/yr at today's prices
Model years rated748 configurations

Combined MPG by model year

  • CT5, most efficient version
  • Range across configurations
  • Class median

Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.

Every CT5 model year

YearTypeBest combinedCity / HwyClass medianRangeConfigsFuel / yr
2026 Gas 26 MPG
lowest 15
22 / 31 30 — 8 $2,279
2025 Gas 26 MPG
lowest 15
23 / 32 28 — 8 $2,279
2024 Gas 27 MPG
lowest 15
23 / 33 28 — 7 $2,194
2023 Gas 27 MPG
lowest 15
23 / 33 27 — 7 $2,194
2022 Gas 27 MPG
lowest 15
23 / 33 27.5 — 7 $2,194
2021 Gas 26 MPG
lowest 21
23 / 32 28 — 5 $2,279
2020 Gas 26 MPG
lowest 20
23 / 32 28 — 6 $2,279

Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.

Compare CT5 model years

See how much a newer CT5 would save over an older one.

Models similar to the Cadillac CT5

Frequently asked questions

Which Cadillac CT5 year has the best fuel economy?

The 2022 Cadillac CT5, rated up to 27 MPG combined. At 15,000 miles a year with $3.95/gal premium gas, that works out to about $2,194 a year.

Which Cadillac CT5 year has the worst fuel economy?

The 2020 model, whose most efficient version is rated 26 MPG combined (about $2,279 a year to fuel).

What is the fuel economy of the latest Cadillac CT5?

The 2026 Cadillac CT5 is rated up to 26 MPG combined.

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