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2027 Genesis G80 Specs: MPG, Gas Mileage, Engine Size & Dimensions

2017–2027 model years43 variantsUp to 97 MPG combined
Real-World MPG QuestionsBed Dimensions & Cargo SpaceService Intervals

Genesis G80 maintenance schedule by model year

Verified year-by-year intervals for 2024–2024 are listed on the Genesis G80 maintenance schedule, where you can switch model year in the table.

2027 Genesis G80 Specs at a Glance

The 2027 Genesis G80 gets 23 mpg combined on the 2.5L All-Wheel Drive configuration, weighs 4,687 lbs, measures 196.5 in long. Figures are per configuration, not a single official number — other trims rate as low as 18 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.

Combined MPG
23 mpg (20 city / 29 hwy)
Best configuration: 2.5L · All-Wheel Drive · Automatic (S8) · other 2027 trims rate 18–23 mpg combined
Engine
2.5L 4-cyl
2.5L · All-Wheel Drive · Automatic (S8) · 2 powertrains offered
Curb weight
4,687 lbs
Heaviest recorded configuration: G80 4DR SEDAN AWD 3.5T
Length
196.5 in · 75.6 in wide · 57.9 in tall
Wheelbase
118.5 in

2027 Genesis G80 trims and MPG

TrimEngineTransDriveCityHwyCombined
Auto (S8), 4 cyl, 2.5 L4 · 2.5LAutomatic (S8)All-Wheel Drive202923
Auto (S8), 6 cyl, 3.5 L6 · 3.5LAutomatic (S8)All-Wheel Drive162418

Detailed Specifications

MPG & Fuel Economy

MPG for every year and trim

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Engine Specifications

Engine Specs for every year and trim

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Annual Fuel Cost

Fuel Cost for every year and trim

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Transmission Specifications

Transmission for every year and trim

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Drivetrain & Drive Type

Drivetrain for every year and trim

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Vehicle Class & EPA Size Category

Vehicle Class for every year and trim

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Maintenance Schedule & Service Intervals

Maintenance for every year and trim

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Dimensions & Size

Dimensions for every year and trim

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Curb Weight

Curb Weight for every year and trim

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Electric Range & Charging Time

EV Range for every year and trim

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Genesis G80 Generations

Grouped by year ranges where the engine lineup, drivetrain options, and EPA class stay consistent — a derived approximation of the factory generations, not a manufacturer-published list.

YearsVariantsEnginesDriveClassBest MPG
2021–2027222.5L, 3.5LAll-Wheel Drive, Rear-Wheel DriveLarge Cars, Midsize Cars97
2017–2020213.3L, 3.8L, 5.0LAll-Wheel Drive, Rear-Wheel DriveLarge Cars22

Genesis G80 — All Years Overview

YearTrimEngineTransDriveCityHwyCombinedFuel
2027Auto (S8), 4 cyl, 2.5 L4 · 2.5LAutomatic (S8)All-Wheel Drive202923Premium Gasoline
2027Auto (S8), 6 cyl, 3.5 L6 · 3.5LAutomatic (S8)All-Wheel Drive162418Premium Gasoline
2026Auto (A1)—Automatic (A1)All-Wheel Drive999396Electricity
2026Auto (S8), 4 cyl, 2.5 L4 · 2.5LAutomatic (S8)All-Wheel Drive202923Premium Gasoline
2026Auto (S8), 6 cyl, 3.5 L6 · 3.5LAutomatic (S8)All-Wheel Drive152418Premium Gasoline
2025Auto (A1)—Automatic (A1)All-Wheel Drive1058997Electricity
2025Auto (S8), 4 cyl, 2.5 L4 · 2.5LAutomatic (S8)All-Wheel Drive202924Premium Gasoline
2025Auto (S8), 6 cyl, 3.5 L6 · 3.5LAutomatic (S8)All-Wheel Drive162419Premium Gasoline
2024Auto (A1)—Automatic (A1)All-Wheel Drive1058997Electricity
2024Auto (S8), 4 cyl, 2.5 L4 · 2.5LAutomatic (S8)All-Wheel Drive223025Premium Gasoline
2024Auto (S8), 6 cyl, 3.5 L6 · 3.5LAutomatic (S8)All-Wheel Drive172519Premium Gasoline
2023Auto (A1)—Automatic (A1)All-Wheel Drive1058997Electricity
2023Auto (S8), 4 cyl, 2.5 L4 · 2.5LAutomatic (S8)All-Wheel Drive223025Premium Gasoline
2023Auto (S8), 4 cyl, 2.5 L4 · 2.5LAutomatic (S8)Rear-Wheel Drive223226Premium Gasoline
2023Auto (S8), 6 cyl, 3.5 L6 · 3.5LAutomatic (S8)All-Wheel Drive162519Premium Gasoline
2022Auto (S8), 4 cyl, 2.5 L4 · 2.5LAutomatic (S8)All-Wheel Drive223025Premium Gasoline
2022Auto (S8), 4 cyl, 2.5 L4 · 2.5LAutomatic (S8)Rear-Wheel Drive233226Premium Gasoline
2022Auto (S8), 6 cyl, 3.5 L6 · 3.5LAutomatic (S8)All-Wheel Drive172620Premium Gasoline
2021Auto (S8), 4 cyl, 2.5 L4 · 2.5LAutomatic (S8)All-Wheel Drive223025Premium Gasoline
2021Auto (S8), 4 cyl, 2.5 L4 · 2.5LAutomatic (S8)Rear-Wheel Drive233226Premium Gasoline
2021Auto (S8), 6 cyl, 3.5 L6 · 3.5LAutomatic (S8)All-Wheel Drive182621Premium Gasoline
2021Auto (S8), 6 cyl, 3.5 L6 · 3.5LAutomatic (S8)Rear-Wheel Drive192722Premium Gasoline
2020Auto (S8), 6 cyl, 3.3 L6 · 3.3LAutomatic (S8)Rear-Wheel Drive172520Premium Gasoline
2020Auto (S8), 6 cyl, 3.3 L6 · 3.3LAutomatic (S8)All-Wheel Drive172420Premium Gasoline
2020Auto (S8), 6 cyl, 3.8 L6 · 3.8LAutomatic (S8)All-Wheel Drive182420Regular Gasoline
2020Auto (S8), 6 cyl, 3.8 L6 · 3.8LAutomatic (S8)Rear-Wheel Drive182621Regular Gasoline
2020Auto (S8), 8 cyl, 5.0 L8 · 5.0LAutomatic (S8)All-Wheel Drive152318Premium Gasoline
2020Auto (S8), 8 cyl, 5.0 L8 · 5.0LAutomatic (S8)Rear-Wheel Drive162419Premium Gasoline
2019Auto (S8), 6 cyl, 3.3 L6 · 3.3LAutomatic (S8)All-Wheel Drive172420Premium Gasoline
2019Auto (S8), 6 cyl, 3.3 L6 · 3.3LAutomatic (S8)Rear-Wheel Drive172520Premium Gasoline
2019Auto (S8), 6 cyl, 3.8 L6 · 3.8LAutomatic (S8)All-Wheel Drive182420Regular Gasoline
2019Auto (S8), 6 cyl, 3.8 L6 · 3.8LAutomatic (S8)Rear-Wheel Drive182621Regular Gasoline
2019Auto (S8), 8 cyl, 5.0 L8 · 5.0LAutomatic (S8)All-Wheel Drive152318Premium Gasoline
2019Auto (S8), 8 cyl, 5.0 L8 · 5.0LAutomatic (S8)Rear-Wheel Drive162419Premium Gasoline
2018Auto (S8), 6 cyl, 3.3 L6 · 3.3LAutomatic (S8)All-Wheel Drive172420Premium Gasoline
2018Auto (S8), 6 cyl, 3.3 L6 · 3.3LAutomatic (S8)Rear-Wheel Drive172520Premium Gasoline
2018Auto (S8), 6 cyl, 3.8 L6 · 3.8LAutomatic (S8)All-Wheel Drive182520Regular Gasoline
2018Auto (S8), 6 cyl, 3.8 L6 · 3.8LAutomatic (S8)Rear-Wheel Drive192722Regular Gasoline
2018Auto (S8), 8 cyl, 5.0 L8 · 5.0LAutomatic (S8)All-Wheel Drive152318Premium Gasoline
2018Auto (S8), 8 cyl, 5.0 L8 · 5.0LAutomatic (S8)Rear-Wheel Drive162419Premium Gasoline
2017Auto (S8), 6 cyl, 3.8 L6 · 3.8LAutomatic (S8)Rear-Wheel Drive182822Regular Gasoline
2017Auto (S8), 6 cyl, 3.8 L6 · 3.8LAutomatic (S8)All-Wheel Drive162519Regular Gasoline
2017Auto (S8), 8 cyl, 5.0 L8 · 5.0LAutomatic (S8)Rear-Wheel Drive152318Premium Gasoline

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Genesis G80 — Frequently Asked Questions

What is the fuel economy of the 2027 Genesis G80?

The Genesis G80 is EPA-rated at up to 26 MPG combined (22 city / 32 highway), a historical peak recorded on the 2023 model year.

What engine does the 2027 Genesis G80 have?

The Genesis G80 uses a 2.5L 4-cylinder engine paired with an Automatic transmission.

What years of the Genesis G80 are covered here?

This page documents 43 verified Genesis G80 configurations across model years 2017–2027.

Which model year of the Genesis G80 is the most fuel efficient?

The 2025 Genesis G80 holds the highest combined rating at 97 MPG; the 2019 sits lowest at 21 MPG, a difference of 76 MPG (about 362%) across the 11 rated years on file.

How many engine options does the Genesis G80 have?

The records list 5 distinct displacements for the Genesis G80 — 2.5L, 3.3L, 3.5L, 3.8L, 5L — which is why combined MPG varies between trims of the same year.

Is the 2027 Genesis G80 front-wheel drive or all-wheel drive?

The Genesis G80 appears in 2 drivetrain layouts across the years documented here — All-Wheel Drive, Rear-Wheel Drive — with the latest 2027 record on All-Wheel Drive.

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