2025 · Large Car · Gas

2025 Genesis G80 MPG & fuel economy

The 2025 Genesis G80 is a large car offered in 2 EPA-rated configurations. The most efficient version returns 24 MPG combined (20 city / 29 highway) on premium gasoline. Across the lineup, combined ratings range from 19 to 24 MPG. That's down 1 MPG from the 2024 model. Among 25 large cars rated for 2025, it ranks 17th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,469 a year to fuel.

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Combined 24 MPG 20 MPG city · 29 MPG hwy

Driving range — not published for this model

Your fuel cost $2,469 15,000 mi/yr · $16.46 per 100 mi

Class rank, 2025 #17 of 25 Large Cars by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Miles per year Premium gas $/gal

Fuel average

The 2025 Genesis G80's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 8.5 km/L in the city and 12.3 km/L on the highway.

	MPG	km/L	L/100 km
City	20	8.5	11.8
Highway	29	12.3	8.1
Combined	24	10.2	9.8

How it ranks among 2025 Large Cars

Full class ranking →

1Lucid Air146 MPGe $624
2Tesla Model S124 MPGe $732
3Dodge Charger EV98 MPGe $931
4Honda Civic Hybrid49 MPG $949
5Honda Accord Hybrid48 MPG $969
···
17Genesis G8024 MPG $2,469
···
25Rolls-Royce Ghost14 MPG $4,232

2025 G80Other large carsClass median: $1,795/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

G80 MPG across model years

Full history →

2 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
AWD · 2.5L 4-cyl turbo · 8-speed automatic G80 AWD	Gas	20 MPG	29 MPG	24 MPG	—	$2,469
AWD · 3.5L 6-cyl turbo · 8-speed automatic G80 AWD	Gas	16 MPG	24 MPG	19 MPG	—	$3,118

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 2.5L 4-cyl turbo
Transmission: 8-speed automatic
Drivetrain: AWD
Passenger volume: 107 cu ft
Cargo volume: 15 cu ft
Tailpipe CO₂: 377 g/mi
EPA fuel economy score: 5/10
EPA greenhouse gas score: 5/10

2025 Genesis G80 vs. rivals

vs Mercedes-Benz S-Class Hybrid 24 MPG · $2,469/yr Same fuel cost vs Audi A8 Hybrid 22 MPG · $2,693/yr G80 saves $224/yr vs BMW 7 Series Hybrid 28 MPG · $2,116/yr 7 Series Hybrid saves $353/yr vs Porsche Panamera Plug-in Hybrid 55 MPGe + 21 MPG · $2,174/yr Panamera Plug-in Hybrid saves $294/yr vs Porsche Panamera 21 MPG · $2,821/yr G80 saves $353/yr vs Audi S8 Hybrid 18 MPG · $3,292/yr G80 saves $823/yr vs BMW 7 Series Plug-in Hybrid 65 MPGe + 25 MPG · $1,729/yr 7 Series Plug-in Hybrid saves $739/yr vs Genesis G80 EV 97 MPGe · $945/yr G80 EV saves $1,524/yr vs Mercedes-Benz S-Class Plug-in Hybrid 63 MPGe + 23 MPG · $1,736/yr S-Class Plug-in Hybrid saves $733/yr vs Acura Integra 33 MPG · $1,795/yr Integra saves $673/yr vs Mercedes-Benz S-Class 15 MPG · $3,950/yr G80 saves $1,481/yr vs BMW i7 88 MPGe · $1,031/yr i7 saves $1,437/yr

Compare the 2025 G80

With any other car from any year, including other G80 model years. Type a year to jump, e.g. "2015 Accord".

Same year, other powertrains: 2025 Genesis G80 EV (97 MPGe)

Frequently asked questions

What is the gas mileage of the 2025 Genesis G80?

Up to 24 MPG combined (20 city / 29 highway); ratings range from 19 to 24 MPG depending on configuration.

What fuel does the 2025 Genesis G80 use?

Premium gasoline (premium is required or recommended by the manufacturer).

What is the fuel average in km/L for the 2025 Genesis G80?