# Genesis G90 specs and mpg by year - **Latest year:** 2026 - **MPG (combined):** 20-21 - **Drive:** AWD - **Years covered:** 2017-2026 ## Quick answer The 2026 Genesis G90 is a large car rated at 20-21 mpg combined. Engines: 3.5L V6 turbo; 3.5L V6 turbo hybrid. ## Every 2026 Genesis G90 version | Version | Engine | Drive | Transmission | City/Hwy | Combined | Fuel cost / year | CO2 | | --- | --- | --- | --- | --- | --- | --- | --- | | G90 AWD | 3.5L V6 turbo | AWD | Automatic | 18/26 | 21 mpg | $3,900 | 426 g/mi | | G90 MHEV | 3.5L V6 turbo hybrid | AWD | Automatic | 17/24 | 20 mpg | $4,100 | 441 g/mi | Each row is a version the EPA tested. Fuel cost assumes 15,000 miles a year (55% city) at national average prices; CO2 is tailpipe emissions. ## Genesis G90 specs by year | Year | Engines | Transmission | Drive | MPG (combined) | | --- | --- | --- | --- | --- | | 2026 | 3.5L V6 turbo; 3.5L V6 turbo hybrid | Automatic | AWD | 20-21 | | 2025 | 3.5L V6 turbo; 3.5L V6 turbo hybrid | Automatic | AWD | 20-21 | | 2024 | 3.5L V6 turbo; 3.5L V6 turbo hybrid | Automatic | AWD | 20-21 | | 2023 | 3.5L V6 turbo; 3.5L V6 turbo hybrid | Automatic | AWD | 20-21 | | 2022 | 3.3L V6 turbo; 5.0L V8 | Automatic | AWD, RWD | 18-20 | | 2021 | 3.3L V6 turbo; 5.0L V8 | Automatic | AWD, RWD | 18-20 | | 2020 | 3.3L V6 turbo; 5.0L V8 | Automatic | AWD, RWD | 18-20 | | 2019 | 3.3L V6 turbo; 5.0L V8 | Automatic | AWD, RWD | 18-20 | | 2018 | 3.3L V6 turbo; 5.0L V8 | Automatic | AWD, RWD | 18-20 | | 2017 | 3.3L V6 turbo; 5.0L V8 | Automatic | AWD, RWD | 18-20 | EPA combined ratings. MPGe is the EPA efficiency measure for electric cars. Ranges cover every engine and drivetrain EPA tested for that year. ## How has the G90 changed over the years? - **2023:** added 3.5L V6 turbo and 3.5L V6 turbo hybrid; dropped 3.3L V6 turbo and 5.0L V8; RWD was dropped. ## What does it cost to run a G90? The EPA puts the 2026 Genesis G90's fuel cost at **$3,900-$4,100 a year**, against about $2,313 for other current large car: roughly 73% more. Over five years at 15,000 miles a year that is about $20,000 in fuel. ## G90 vs rivals | Model | Powertrains | Fuel economy | Range | Fuel cost / year | | --- | --- | --- | --- | --- | | [Hyundai Sonata](/vehicles/hyundai-sonata) | Gas, Hybrid | 26-51 mpg | -- | $1,300-$2,600 | | [Acura Integra](/vehicles/acura-integra) | Gas | 24-32 mpg | -- | $2,550-$3,400 | | [Kia K5](/vehicles/kia-k5) | Gas | 27-30 mpg | -- | $2,250-$2,500 | | [BMW 7 Series](/vehicles/bmw-7-series) | Hybrid, Plug-in hybrid | 20-28 mpg | -- | $2,950-$4,100 | | [Mercedes-Benz S-Class](/vehicles/mercedes-benz-s-class) | Gas, Hybrid | 14-23 mpg | -- | $3,550-$5,850 | | [Audi A8](/vehicles/audi-a8) | Hybrid | 22 mpg | -- | $3,750 | | [Porsche Panamera](/vehicles/porsche-panamera) | Gas | 21 mpg | -- | $3,900 | | [Dodge Charger](/vehicles/dodge-charger) | Electric, Gas | 19-20 mpg | 295 mi | $800-$4,350 | Other current large car from other makes, most efficient first. ## Frequently asked questions ### What mpg does the 2026 Genesis G90 get? The 2026 Genesis G90 is EPA-rated at 20-21 mpg combined, depending on engine and drivetrain. Real-world mileage varies with speed, climate and load. ### What engine does the 2026 Genesis G90 have? The 2026 Genesis G90 comes with: 3.5L V6 turbo; 3.5L V6 turbo hybrid. It uses automatic transmission and is offered with AWD. ### Is there a hybrid Genesis G90? Yes. The Genesis G90 has been offered as a hybrid in some model years; the table above shows which. ### Which Genesis G90 year gets the best gas mileage? In the EPA data, the 2026 Genesis G90 has the highest combined rating, up to 21 mpg. Ratings for the same model can change between years when engines or test procedures change. ### How much does it cost to fuel a 2026 Genesis G90 for a year? About $3,900-$4,100 a year, using the EPA's assumptions of 15,000 miles (55% city, 45% highway) at national average fuel prices. Your cost depends on your local prices, mileage and driving style. ### What is the city and highway mpg of the 2026 Genesis G90? The most efficient 2026 version, the G90 AWD, is rated 18 mpg city and 26 mpg highway (21 combined). Other engines and drivetrains are rated lower; the versions table above lists each one. ### How much CO2 does the 2026 Genesis G90 emit? EPA rates its tailpipe CO2 at 426-441 grams per mile depending on version. Lower is better; the cleanest gas cars sit under 250 g/mi and electric cars have none at the tailpipe. ### Does the 2026 Genesis G90 come with all-wheel drive? Yes. The 2026 Genesis G90 is offered with AWD. All- or four-wheel drive usually costs 1-3 mpg compared with the two-wheel-drive version of the same engine, as the versions table shows. ### Is the Genesis G90 cheap to run compared with other large cars? No, dearer than average: its EPA annual fuel cost of $3,900-$4,100 compares with about $2,313 for other current large car models. Fuel is only part of running costs; insurance, tires and repairs also differ. ## Sources - [fueleconomy.gov (US DOE and EPA)](https://www.fueleconomy.gov/) ## More Genesis models - [Genesis G70](https://diagxcar.com/vehicles/genesis-g70) - [Genesis G80](https://diagxcar.com/vehicles/genesis-g80) - [Genesis GV60](https://diagxcar.com/vehicles/genesis-gv60) - [Genesis GV70](https://diagxcar.com/vehicles/genesis-gv70) - [Genesis GV80](https://diagxcar.com/vehicles/genesis-gv80) ## Other large cars - [Hyundai Ioniq](https://diagxcar.com/vehicles/hyundai-ioniq) - [Hyundai Sonata](https://diagxcar.com/vehicles/hyundai-sonata) - [Kia K5](https://diagxcar.com/vehicles/kia-k5) - [Lucid Air](https://diagxcar.com/vehicles/lucid-air) - [Mercedes-Benz EQS](https://diagxcar.com/vehicles/mercedes-benz-eqs) - [Mercedes-Benz S-Class](https://diagxcar.com/vehicles/mercedes-benz-s-class) - [Porsche Panamera](https://diagxcar.com/vehicles/porsche-panamera) - [Tesla Model S](https://diagxcar.com/vehicles/tesla-model-s) ## Compared with - [Acura Integra](https://diagxcar.com/vehicles/acura-integra) - [Audi A8](https://diagxcar.com/vehicles/audi-a8) - [Audi S8](https://diagxcar.com/vehicles/audi-s8) - [BMW 7 Series](https://diagxcar.com/vehicles/bmw-7-series) ## Car care - [How long do tires last?](https://diagxcar.com/how-long/tires) - [How often to change oil](https://diagxcar.com/how-often/change-oil) - [Tire size calculator](https://diagxcar.com/tools/tire-size-calculator) --- Source page: https://diagxcar.com/vehicles/genesis-g90 Updated: 2026-11-03 General information, not a substitute for a qualified mechanic.