Pick a year below to open the full Lexus RC 300 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 Lexus RC 300. 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
2025 2025 Lexus RC 300 25 MPG 21 MPG 31 MPG $2,750
2024 2024 Lexus RC 300 25 MPG 21 MPG 31 MPG $2,750
2023 2023 Lexus RC 300 25 MPG 21 MPG 31 MPG $2,750
2022 2022 Lexus RC 300 25 MPG 21 MPG 31 MPG $2,750
2021 2021 Lexus RC 300 25 MPG 21 MPG 31 MPG $2,750
2020 2020 Lexus RC 300 24 MPG 21 MPG 30 MPG $2,900
2019 2019 Lexus RC 300 24 MPG 21 MPG 30 MPG $2,900
2018 2018 Lexus RC 300 26 MPG 22 MPG 32 MPG $2,650

How the Lexus RC 300 compares against the Subcompact Cars class

Buyers usually compare the Lexus RC 300 against other cars in the same EPA class. The list below shows the most efficient cars in the Subcompact Cars class for the 2025 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.