Genesis G80 RWD
26 MPG The 2023 Genesis G80 RWD is EPA-rated at 26 MPG combined (22 city / 32 highway). Over 15,000 miles a year that is about 577 gallons, $1846 a year in fuel, or $0.123 per mile at $3.20/gal.
Across its full 2017–2023 run it averages 22.3 MPG, improving by 6 MPG over 7 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 | $0.096 | $962 | $1442 | $1923 |
| $3.00/gal | $0.115 | $1154 | $1731 | $2308 |
| $3.20/gal | $0.123 | $1231 | $1846 | $2462 |
| $3.50/gal | $0.135 | $1346 | $2019 | $2692 |
| $4.00/gal | $0.154 | $1538 | $2308 | $3077 |
| $4.50/gal | $0.173 | $1731 | $2596 | $3462 |
| $5.00/gal | $0.192 | $1923 | $2885 | $3846 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2023 | 26 MPG | 22 | 32 | $2950 | 346 | 1 |
| 2022 | 26 MPG | 23 | 32 | $2950 | 345 | 1 |
| 2021 | 24 MPG | 21 | 29.5 | $3225 | 378 | 2 |
| 2020 | 20 MPG | 17 | 25 | $3617 | 446 | 3 |
| 2019 | 20 MPG | 17 | 25 | $3617 | 446 | 3 |
| 2018 | 20.3 MPG | 17.3 | 25.3 | $3583 | 443 | 3 |
| 2017 | 20 MPG | 16.5 | 25.5 | $3575 | 457 | 2 |
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 149 large cars models tracked here, the Genesis G80 RWD ranks 18 on current figures, against a class average of 21.5 MPG.
Closest more-efficient alternatives in the same class: Kia Forte 5 (26.7), BMW X1 sDrive28i (27), Kia K5 AWD (27), BMW 740i Sedan (28), BMW X1 xDrive28i (28).
Tailpipe CO₂ is rated at 346 grams per mile, which works out to roughly 5.2 tonnes a year at 15,000 miles.
Questions
What MPG does the Genesis G80 RWD get?
The 2023 Genesis G80 RWD is rated at 26 MPG combined by the EPA — 22 city and 32 highway. Across all 7 model years in the database it averages 22.3 MPG, ranging from 18 to 26 depending on year and trim.
How much does a Genesis G80 RWD cost in fuel per year?
At 26 MPG and 15,000 miles a year, it burns about 577 gallons — roughly $1846 a year with fuel at $3.20 a gallon, or $0.123 per mile. The EPA's own published annual figure for the 2023 model is $2950.
Has the Genesis G80 RWD become more efficient over time?
Yes. It has gone from 20 MPG in 2017 to 26 in 2023 — an improvement of 6 MPG, or 30% across 7 model years.
Is the Genesis G80 RWD efficient for its class?
It ranks 18 of 149 in the Large Cars class on current figures, against a class average of 21.5 MPG. That is 4.5 better 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.