Lexus RC 300 AWD
22 MPG The 2025 Lexus RC 300 AWD is EPA-rated at 22 MPG combined (19 city / 26 highway). Over 15,000 miles a year that is about 682 gallons, $2182 a year in fuel, or $0.145 per mile at $3.20/gal.
Across its full 2016–2025 run it averages 21.5 MPG, improving by 1 MPG over 10 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.114 | $1136 | $1705 | $2273 |
| $3.00/gal | $0.136 | $1364 | $2045 | $2727 |
| $3.20/gal | $0.145 | $1455 | $2182 | $2909 |
| $3.50/gal | $0.159 | $1591 | $2386 | $3182 |
| $4.00/gal | $0.182 | $1818 | $2727 | $3636 |
| $4.50/gal | $0.205 | $2045 | $3068 | $4091 |
| $5.00/gal | $0.227 | $2273 | $3409 | $4545 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2025 | 22 MPG | 19 | 26 | $3500 | 407 | 1 |
| 2024 | 22 MPG | 19 | 26 | $3500 | 407 | 1 |
| 2023 | 22 MPG | 19 | 26 | $3500 | 407 | 1 |
| 2022 | 22 MPG | 19 | 26 | $3500 | 407 | 1 |
| 2021 | 22 MPG | 19 | 26 | $3500 | 407 | 1 |
| 2020 | 21 MPG | 18 | 24 | $3650 | 422 | 1 |
| 2019 | 21 MPG | 18 | 24 | $3650 | 436 | 1 |
| 2018 | 21 MPG | 18 | 24 | $3650 | 422 | 1 |
| 2017 | 21 MPG | 19 | 26 | $3650 | 415 | 1 |
| 2016 | 21 MPG | 19 | 26 | $3650 | 415 | 1 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 229 subcompact cars models tracked here, the Lexus RC 300 AWD ranks 119 on current figures, against a class average of 24.2 MPG.
Closest more-efficient alternatives in the same class: Ford Probe (22.3), BMW M240i Convertible (22.5), Mazda MX-6 (22.5), Saab 9-3 Convertible (22.5), Mitsubishi Cordia (22.7).
Tailpipe CO₂ is rated at 407 grams per mile, which works out to roughly 6.1 tonnes a year at 15,000 miles.
Questions
What MPG does the Lexus RC 300 AWD get?
The 2025 Lexus RC 300 AWD is rated at 22 MPG combined by the EPA — 19 city and 26 highway. Across all 10 model years in the database it averages 21.5 MPG, ranging from 21 to 22 depending on year and trim.
How much does a Lexus RC 300 AWD cost in fuel per year?
At 22 MPG and 15,000 miles a year, it burns about 682 gallons — roughly $2182 a year with fuel at $3.20 a gallon, or $0.145 per mile. The EPA's own published annual figure for the 2025 model is $3500.
Has the Lexus RC 300 AWD become more efficient over time?
Yes. It has gone from 21 MPG in 2016 to 22 in 2025 — an improvement of 1 MPG, or 5% across 10 model years.
Is the Lexus RC 300 AWD efficient for its class?
It ranks 119 of 229 in the Subcompact Cars class on current figures, against a class average of 24.2 MPG. That is 2.2 worse than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.