Cadillac CT4 MPG by year — every rating on record

The Cadillac CT4 has a combined EPA fuel economy rating for 7 model years, from 2020 to 2026. Across those years its best rated version returned 27 mpg (2020) and its thirstiest returned 23 mpg (2020). The EPA record holds 28 configurations for this nameplate, most recently a Compact Cars.

Year-by-year EPA ratings

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The Cadillac CT4 placed highest in 2020 at #38 of 79, and lowest in 2026 at #69 of 79. It spent 2 of its 7 ranked years in the top half of its class.

Every configuration on record

All 28 configurations EPA lists for this nameplate, newest first.

How the rating has moved between model years

Comparing the best-rated configuration of each year. 0 of 1 year-over-year steps improved the top rating.

What CT4 fuel costs over a year

At the EPA's 11,500 miles a year, the 2026 Cadillac CT4 burns 442 to 479 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.

EPA’s own estimate for the 2026 model year is $3,000 to $3,250 a year in fuel, or $4,250 more than the average new vehicle over five years.

How it compares with other Compact Cars

Across the 498 nameplates EPA classifies as Compact Cars, the median best combined rating is 26 mpg. At 26 mpg the Cadillac CT4 is exactly at the median.

• All Compact Cars rankings — every nameplate in the class, best to worst.

Other Cadillac nameplates

Every Cadillac model compared → — all nameplates ranked by best combined rating, with what each one costs a year.