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Genesis G90 (RS4) Auto Zuerich 2023 1X7A0906
Shown: Genesis G90 (RS4) Auto Zuerich 2023 1X7A0906. Photo: Alexander-93, CC BY-SA 4.0, via Wikimedia Commons
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  • MY2017–2026

Genesis G90 MPG & Fuel Cost by Year

10 model years · 2017–2026

21 MPG
Combined
18 MPG
City
26 MPG
Highway
Annual cost · MY2026 G90 3.5L 6-cyl turbo AWD
$3,860

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

All Genesis models

Genesis G90 fuel economy at a glance

EPA has rated the Genesis G90 for 10 model years, 2017 to 2026. Across those years its combined rating runs 18–21 MPG. The latest model year, 2026, has 2 configurations rated 20–21 MPG combined and costing $3,860–$4,040 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2017 is the 2026 G90 3.5L 6-cyl turbo AWD, at 21 MPG.

Genesis G90 MPG by year

182022 201720232026 Gas Hybrid 182022 201720232026 Gas Hybrid
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Genesis G90: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG)Hybrid (MPG) $/yr
2023-2026 (RS4) Generation page
2026 2120 $3,860–$4,040
2025 2120 $3,860–$4,040
2024 2120 $3,860–$4,040
2023 2120 $3,860–$4,040
2017-2022 (1st gen) Generation page
2022 18–20— $4,110–$4,380
2021 18–20— $4,110–$4,380
2020 18–20— $3,970–$4,460
2019 18–20— $4,050–$4,440
2018 18–20— $4,050–$4,440
2017 18–20— $4,050–$4,440

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Genesis G90 generations

2 generations between 2017 and 2026. Open one for the table of every model year and configuration.

2026 powertrain options

Gas · 3.5L
Combined
21 MPG
Per year
$3,860
See gas configurations
Hybrid · 3.5L
Combined
20 MPG
Per year
$4,040
See hybrid configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · premium gasoline $5.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Genesis G90's gas mileage by year?

EPA combined ratings for the Genesis G90 run 18–21 MPG across model years 2017 to 2026. The latest year, 2026, is rated 20–21 MPG.

Which Genesis G90 model year has the best gas mileage?

The 2026 Genesis G90 G90 3.5L 6-cyl turbo AWD has the highest combined rating since 2017, at 21 MPG.

How much does a Genesis G90 cost to fuel per year?

For MY2026, EPA-rated configurations cost $3,860–$4,040 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,860.

Has the Genesis G90's fuel economy improved over time?

Yes. The most efficient configuration moved from 20 MPG in 2017 to 21 MPG in 2026, 1 MPG more.

Is there a hybrid, plug-in or electric Genesis G90?

Yes. Hybrid versions are rated from 2023 to 2026 (20 MPG).

Which Genesis G90 model years have the same ratings?

EPA lists identical ratings as the previous year for 2019, 2024, 2025, 2026. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.

How many generations of the Genesis G90 are there?

EPA data covers 2 generations of the Genesis G90: 2023-2026, 2017-2022. Each has its own page with a table for every model year.