Cadillac CT5 V: MPG and fuel economy by year

The EPA has rated the Cadillac CT5 V across 7 model years, from the 2020 Cadillac CT5 V through the 2026 Cadillac CT5 V. The most recent 2026 Cadillac CT5 V returns 21 combined MPG.

Pick a year below to open the full Cadillac CT5 V page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.

Fuel economy by model year

Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Cadillac CT5 V. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.

Year	Model	Combined MPG	City	Highway	Annual fuel cost
2026	2026 Cadillac CT5 V	21 MPG	18 MPG	27 MPG	$3,300
2025	2025 Cadillac CT5 V	21 MPG	18 MPG	27 MPG	$3,300
2024	2024 Cadillac CT5 V	21 MPG	18 MPG	27 MPG	$3,300
2023	2023 Cadillac CT5 V	21 MPG	18 MPG	27 MPG	$3,300
2022	2022 Cadillac CT5 V	21 MPG	18 MPG	27 MPG	$3,300
2021	2021 Cadillac CT5 V	21 MPG	18 MPG	27 MPG	$3,300
2020	2020 Cadillac CT5 V	21 MPG	18 MPG	26 MPG	$3,300

How the Cadillac CT5 V compares against the Midsize Cars class

Buyers usually compare the Cadillac CT5 V against other cars in the same EPA class. The list below shows the most efficient cars in the Midsize Cars class for the 2026 model year, the latest year on this page. Each link opens the full page for that car.

Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.