2026 · Large Car · Gas

2026 Genesis G80 MPG & fuel economy

The 2026 Genesis G80 is a large car offered in 2 EPA-rated configurations. The most efficient version returns 23 MPG combined (20 city / 29 highway) on premium gasoline. Across the lineup, combined ratings range from 18 to 23 MPG. That's down 1 MPG from the 2025 model. Among 24 large cars rated for 2026, it ranks 16th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,576 a year to fuel.

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Combined 23 MPG 20 MPG city · 29 MPG hwy
Driving range — not published for this model
Your fuel cost $2,576 15,000 mi/yr · $17.17 per 100 mi
Class rank, 2026 #16 of 24 Large Cars by fuel cost

What will it cost you?

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

Fuel average

The 2026 Genesis G80's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 12.3 km/L on the highway.

MPGkm/LL/100 km
City208.511.8
Highway2912.38.1
Combined239.810.2

How it ranks among 2026 Large Cars

Full class ranking →
  1. 1Lucid Air146 MPGe $624
  2. 2Tesla Model S124 MPGe $732
  3. 3Hyundai Sonata Hybrid51 MPG $912
  4. 4Honda Civic Hybrid49 MPG $949
  5. 5Dodge Charger EV95 MPGe $961
  6. 16Genesis G8023 MPG $2,576
  7. 24Rolls-Royce Ghost14 MPG $4,232
2026 G80Other large carsClass median: $1,984/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

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
AWD · 2.5L 4-cyl turbo · 8-speed automatic
G80 AWD		 Gas 20 MPG 29 MPG 23 MPG — $2,576
AWD · 3.5L 6-cyl turbo · 8-speed automatic
G80 AWD		 Gas 15 MPG 24 MPG 18 MPG — $3,292

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
382 g/mi
EPA fuel economy score
5/10
EPA greenhouse gas score
5/10

2026 Genesis G80 vs. rivals

vs Mercedes-Benz S-Class Hybrid 23 MPG · $2,576/yr Same fuel cost vs Audi A8 Hybrid 22 MPG · $2,693/yr G80 saves $117/yr vs BMW 7 Series Hybrid 28 MPG · $2,116/yr 7 Series Hybrid saves $460/yr vs Porsche Panamera 21 MPG · $2,821/yr G80 saves $245/yr vs Audi S8 Hybrid 18 MPG · $3,292/yr G80 saves $716/yr vs Genesis G80 EV 96 MPGe · $945/yr G80 EV saves $1,631/yr vs BMW 7 Series Plug-in Hybrid 70 MPGe + 24 MPG · $1,718/yr 7 Series Plug-in Hybrid saves $858/yr vs Acura Integra 32 MPG · $1,852/yr Integra saves $725/yr vs Mercedes-Benz S-Class 15 MPG · $3,950/yr G80 saves $1,374/yr vs BMW i7 88 MPGe · $1,031/yr i7 saves $1,545/yr vs Lucid Air 146 MPGe · $624/yr Air saves $1,952/yr

Compare the 2026 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: 2026 Genesis G80 EV (96 MPGe)

Frequently asked questions

What is the gas mileage of the 2026 Genesis G80?

Up to 23 MPG combined (20 city / 29 highway); ratings range from 18 to 23 MPG depending on configuration.

What fuel does the 2026 Genesis G80 use?

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

What is the fuel average in km/L for the 2026 Genesis G80?

The 2026 Genesis G80's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 12.3 km/L on the highway.

How much does it cost to fuel the 2026 Genesis G80 per year?

About $2,576 at 15,000 miles a year with $3.95/gal premium gas, or $17.17 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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