Genesis G80 AWD
20.5 MPG The 2027 Genesis G80 AWD is EPA-rated at 20.5 MPG combined (18 city / 26.5 highway). Over 15,000 miles a year that is about 732 gallons, $2341 a year in fuel, or $0.156 per mile at $3.20/gal.
Across its full 2017–2027 run it averages 20.8 MPG, improving by 1.5 MPG over 11 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 | $0.122 | $1220 | $1829 | $2439 |
| $3.00/gal | $0.146 | $1463 | $2195 | $2927 |
| $3.20/gal | $0.156 | $1561 | $2341 | $3122 |
| $3.50/gal | $0.171 | $1707 | $2561 | $3415 |
| $4.00/gal | $0.195 | $1951 | $2927 | $3902 |
| $4.50/gal | $0.220 | $2195 | $3293 | $4390 |
| $5.00/gal | $0.244 | $2439 | $3659 | $4878 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2027 | 20.5 MPG | 18 | 26.5 | $3825 | 432 | 2 |
| 2026 | 20.5 MPG | 17.5 | 26.5 | $3825 | 434 | 2 |
| 2025 | 21.5 MPG | 18 | 26.5 | $3625 | 426 | 2 |
| 2024 | 22 MPG | 19.5 | 27.5 | $3575 | 411 | 2 |
| 2023 | 22 MPG | 19 | 27.5 | $3575 | 413 | 2 |
| 2022 | 22.5 MPG | 19.5 | 28 | $3475 | 400 | 2 |
| 2021 | 23 MPG | 20 | 28 | $3375 | 391 | 2 |
| 2020 | 19.3 MPG | 16.7 | 23.7 | $3750 | 467 | 3 |
| 2019 | 19.3 MPG | 16.7 | 23.7 | $3750 | 467 | 3 |
| 2018 | 19.3 MPG | 16.7 | 24 | $3750 | 467 | 3 |
| 2017 | 19 MPG | 16 | 25 | $3300 | 459 | 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 149 large cars models tracked here, the Genesis G80 AWD ranks 49 on current figures, against a class average of 21.6 MPG.
Closest more-efficient alternatives in the same class: BMW 535i xDrive Gran Turismo (21), BMW 750i (21), Buick LeSabre (21), Chrysler 300 AWD (21), Dodge Charger AWD (21).
Tailpipe CO₂ is rated at 432 grams per mile, which works out to roughly 6.5 tonnes a year at 15,000 miles.
Questions
What MPG does the Genesis G80 AWD get?
The 2027 Genesis G80 AWD is rated at 20.5 MPG combined by the EPA — 18 city and 26.5 highway. Across all 11 model years in the database it averages 20.8 MPG, ranging from 18 to 25 depending on year and trim.
How much does a Genesis G80 AWD cost in fuel per year?
At 20.5 MPG and 15,000 miles a year, it burns about 732 gallons — roughly $2341 a year with fuel at $3.20 a gallon, or $0.156 per mile. The EPA's own published annual figure for the 2027 model is $3825.
Has the Genesis G80 AWD become more efficient over time?
Yes. It has gone from 19 MPG in 2017 to 20.5 in 2027 — an improvement of 1.5 MPG, or 8% across 11 model years.
Is the Genesis G80 AWD efficient for its class?
It ranks 49 of 149 in the Large Cars class on current figures, against a class average of 21.6 MPG. That is 1.1 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.