- Newest year: 2027
- Gas
- Large cars
- Partial model year
2021-2027 Genesis G80 MPG & Fuel Cost
7 model years · 18–26 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 2 of 10 large car configurations, MY2027. Ranked against all rated configurations, not sales-weighted.
2021-2027 Genesis G80 at a glance
The 2021-2027 Genesis G80 covers 7 model years in the EPA database (22 configurations in all), rated 18–26 MPG combined. The newest model year, 2027, costs about $3,440 a year to fuel for its most efficient version, the G80 2.5L 4-cyl turbo AWD (23 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). Powertrains over the years: gas and electric. EPA changed the ratings in 2022, 2023, 2024, 2025, 2026 and 2027. The best combined rating in the generation, 26 MPG, was reached in 2021, 2022 and 2023.
Model year 2027 is still being filled in by EPA (2 configurations listed so far), so rows may be added.
2021-2027 Genesis G80 by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2027 (partial) | Gas | 18–23 MPG | $3,440–$4,380 | Ratings changed |
| 2026 | Gas, Electric | 18–23 MPG, 96 MPGe | $960–$4,390 | Ratings changed |
| 2025 | Gas, Electric | 19–24 MPG, 97 MPGe | $960–$4,290 | Ratings changed |
| 2024 | Gas, Electric | 19–25 MPG, 97 MPGe | $960–$4,130 | Ratings changed |
| 2023 | Gas, Electric | 19–26 MPG, 97 MPGe | $3,100–$4,170 | Ratings changed |
| 2022 | Gas | 20–26 MPG | $3,100–$3,940 | Ratings changed |
| 2021 | Gas | 21–26 MPG | $3,100–$3,810 | First year |
What the 2027 G80 2.5L 4-cyl turbo AWD costs to drive
Per month
$287
$3,440 a year ÷ 12
Per 25 miles
$5.73
Per 100 miles
$22.93
Five years
$17,200
5 × the yearly cost, prices held at today's level
vs the large car median
$2,180more a year
Class median $1,260 a year, MY2027
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2027 Genesis G80 MPG
Model year 2027 is still being filled in by EPA (2 configurations listed so far), so rows may be added.
Versus 2026: The most efficient configuration stays at 23 MPG. Its annual cost goes from $3,450 to $3,440, $10 less.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| G80 2.5L 4-cyl turbo (Most efficient) | 2.5L 4-cyl turbo | AWD | 20 | 29 | 23 | $3,440 |
| G80 3.5L 6-cyl turbo | 3.5L 6-cyl turbo | AWD | 16 | 24 | 18 | $4,380 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2026 Genesis G80 MPG
18–23 MPG, 96 MPGe · $960–$4,390/yr
Versus 2025: The most efficient configuration moves from 24 to 23 MPG, down 1. Its annual cost goes from $3,400 to $3,450, $50 more.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| G80 2.5L 4-cyl turbo (Most efficient) | 2.5L 4-cyl turbo | AWD | 20 | 29 | 23 | $3,450 |
| G80 3.5L 6-cyl turbo | 3.5L 6-cyl turbo | AWD | 15 | 24 | 18 | $4,390 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Electric configurations (1)
| Trim | Drive | kWh/100 mi | MPGe | Range | $/yr |
|---|---|---|---|---|---|
| Electrified G80 (Most efficient) | AWD | 35 | 96 | 300 mi | $960 |
MPGe is the distance an electric car travels on 33.7 kWh, the energy in a gallon of gasoline. Fewer kWh per 100 miles means a lower running cost.
2025 Genesis G80 MPG
19–24 MPG, 97 MPGe · $960–$4,290/yr
Versus 2024: The most efficient configuration moves from 25 to 24 MPG, down 1. Its annual cost goes from $3,240 to $3,400, $160 more.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| G80 2.5L 4-cyl turbo (Most efficient) | 2.5L 4-cyl turbo | AWD | 20 | 29 | 24 | $3,400 |
| G80 3.5L 6-cyl turbo | 3.5L 6-cyl turbo | AWD | 16 | 24 | 19 | $4,290 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Electric configurations (1)
| Trim | Drive | kWh/100 mi | MPGe | Range | $/yr |
|---|---|---|---|---|---|
| Electrified G80 (Most efficient) | AWD | 35 | 97 | 282 mi | $960 |
MPGe is the distance an electric car travels on 33.7 kWh, the energy in a gallon of gasoline. Fewer kWh per 100 miles means a lower running cost.
2024 Genesis G80 MPG
19–25 MPG, 97 MPGe · $960–$4,130/yr
Versus 2023: The most efficient configuration moves from 26 to 25 MPG, down 1. Its annual cost goes from $3,100 to $3,240, $140 more.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| G80 2.5L 4-cyl turbo (Most efficient) | 2.5L 4-cyl turbo | AWD | 22 | 30 | 25 | $3,240 |
| G80 3.5L 6-cyl turbo | 3.5L 6-cyl turbo | AWD | 17 | 25 | 19 | $4,130 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Electric configurations (1)
| Trim | Drive | kWh/100 mi | MPGe | Range | $/yr |
|---|---|---|---|---|---|
| Electrified G80 (Most efficient) | AWD | 35 | 97 | 282 mi | $960 |
MPGe is the distance an electric car travels on 33.7 kWh, the energy in a gallon of gasoline. Fewer kWh per 100 miles means a lower running cost.
2023 Genesis G80 MPG
19–26 MPG, 97 MPGe · $3,100–$4,170/yr
Versus 2022: The most efficient configuration stays at 26 MPG. Its annual cost stays at $3,100.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| G80 2.5L 4-cyl turbo RWD (Most efficient) | 2.5L 4-cyl turbo | RWD | 22 | 32 | 26 | $3,100 |
| G80 2.5L 4-cyl turbo AWD | 2.5L 4-cyl turbo | AWD | 22 | 30 | 25 | $3,240 |
| G80 3.5L 6-cyl turbo | 3.5L 6-cyl turbo | AWD | 16 | 25 | 19 | $4,170 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Electric configurations (1)
| Trim | Drive | kWh/100 mi | MPGe | Range | $/yr |
|---|---|---|---|---|---|
| Electrified G80 (Most efficient) | AWD | — | 97 | 282 mi | — |
MPGe is the distance an electric car travels on 33.7 kWh, the energy in a gallon of gasoline. Fewer kWh per 100 miles means a lower running cost.
2022 Genesis G80 MPG
20–26 MPG · $3,100–$3,940/yr
Versus 2021: The most efficient configuration stays at 26 MPG. Its annual cost stays at $3,100.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| G80 2.5L 4-cyl turbo RWD (Most efficient) | 2.5L 4-cyl turbo | RWD | 23 | 32 | 26 | $3,100 |
| G80 2.5L 4-cyl turbo AWD | 2.5L 4-cyl turbo | AWD | 22 | 30 | 25 | $3,230 |
| G80 3.5L 6-cyl turbo | 3.5L 6-cyl turbo | AWD | 17 | 26 | 20 | $3,940 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2021 Genesis G80 MPG
21–26 MPG · $3,100–$3,810/yr
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| G80 2.5L 4-cyl turbo RWD (Most efficient) | 2.5L 4-cyl turbo | RWD | 23 | 32 | 26 | $3,100 |
| G80 2.5L 4-cyl turbo AWD | 2.5L 4-cyl turbo | AWD | 22 | 30 | 25 | $3,230 |
| G80 3.5L 6-cyl turbo RWD | 3.5L 6-cyl turbo | RWD | 19 | 27 | 22 | $3,680 |
| G80 3.5L 6-cyl turbo AWD | 3.5L 6-cyl turbo | AWD | 18 | 26 | 21 | $3,810 |
4 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the G80 2.5L 4-cyl turbo AWD: $4,100 in California and $2,980 in Texas, a $1,120 difference.
- California $4,100
- Washington $3,850
- New York $3,390
- Florida $3,140
- Texas $2,980
Similar cars
Closest combined MPG among MY2027 large car models.
Generations
- 2017-2020 (DH)
- 2021-2027* (RG3)
Frequently asked questions
What gas mileage does the 2021-2027 Genesis G80 get?
EPA rates the 2021-2027 Genesis G80 at 18–26 MPG combined across 22 configurations and 7 model years. The most efficient version, the 2023 G80 2.5L 4-cyl turbo RWD, is rated 26 MPG (22 city, 32 highway). By powertrain: Gas: 18–26 MPG; Electric: 96–97 MPGe.
Which years had the best MPG in the 2021-2027 Genesis G80?
The G80 2.5L 4-cyl turbo RWD reached the generation's best combined rating, 26 MPG, in 2021, 2022 and 2023. The lowest top rating, 23 MPG, was in 2026 and 2027.
Did EPA ratings change during the 2021-2027 Genesis G80?
Yes. Ratings changed in 2022, 2023, 2024, 2025, 2026 and 2027.
How does the 2021-2027 Genesis G80 compare with the previous generation?
The previous generation (2017-2020 Genesis G80) is rated 18–22 MPG combined and costs $3,030–$4,560 a year to fuel; the 2021-2027 model is rated 18–26 MPG and costs $960–$4,390 a year.
How much does it cost to fuel a 2027 Genesis G80 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the G80 2.5L 4-cyl turbo AWD costs about $3,440 a year. Across all 2 configurations the cost runs $3,440–$4,380 a year. That is a $940 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2027 Genesis G80 100 miles?
About $22.93 per 100 miles for the G80 2.5L 4-cyl turbo AWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $22.93 and $29.20 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2027 Genesis G80 more efficient in the city or on the highway?
The G80 2.5L 4-cyl turbo AWD is rated 20 city and 29 highway MPG, so it is more efficient on the highway, by 9 MPG.
How does the 2027 Genesis G80 compare with other large car configurations?
The G80 2.5L 4-cyl turbo AWD costs about $3,440 a year to fuel, $2,180 more than the class median of $1,260, and less than 2 of 10 large car configurations. The comparison covers all 50 rated large car configurations for MY2027, not weighted by sales.
Is the 2027 Genesis G80 different from the 2026 model?
The most efficient configuration stays at 23 MPG. Its annual cost goes from $3,450 to $3,440, $10 less. EPA lists 2 configurations for 2027 against 3 configurations for 2026. See the 2026 Genesis G80 for that year.