# Audi S8 specs and mpg by year - **Latest year:** 2027 - **MPG (combined):** 18 - **Drive:** AWD - **Years covered:** 2015-2027 ## Quick answer The 2027 Audi S8 is a large car rated at 18 mpg combined. Engines: 4.0L V8 turbo hybrid. ## Every 2027 Audi S8 version | Version | Engine | Drive | Transmission | City/Hwy | Combined | Fuel cost / year | CO2 | | --- | --- | --- | --- | --- | --- | --- | --- | | S8 | 4.0L V8 turbo hybrid | AWD | Automatic | 15/24 | 18 mpg | $4,550 | 502 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. ## Audi S8 specs by year | Year | Engines | Transmission | Drive | MPG (combined) | | --- | --- | --- | --- | --- | | 2027 | 4.0L V8 turbo hybrid | Automatic | AWD | 18 | | 2026 | 4.0L V8 turbo hybrid | Automatic | AWD | 18 | | 2025 | 4.0L V8 turbo hybrid | Automatic | AWD | 18 | | 2024 | 4.0L V8 turbo hybrid | Automatic | AWD | 18 | | 2023 | 4.0L V8 turbo hybrid | Automatic | AWD | 18 | | 2022 | 4.0L V8 turbo hybrid | Automatic | AWD | 17 | | 2021 | 4.0L V8 turbo hybrid | Automatic | AWD | 16 | | 2020 | 4.0L V8 turbo hybrid | Automatic | AWD | 16 | | 2018 | 4.0L V8 turbo | Automatic | AWD | 18 | | 2017 | 4.0L V8 turbo | Automatic | AWD | 18 | | 2016 | 4.0L V8 turbo | Automatic | AWD | 18 | | 2015 | 4.0L V8 turbo | Automatic | AWD | 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 S8 changed over the years? - **2023:** combined mpg went from 17 to 18. - **2022:** combined mpg went from 16 to 17. - **2020:** added 4.0L V8 turbo hybrid; dropped 4.0L V8 turbo. - **2016:** combined mpg went from 20 to 18. ## What does it cost to run a S8? The EPA puts the 2027 Audi S8's fuel cost at **$4,550 a year**, against about $2,437 for other current large car: roughly 87% more. Over five years at 15,000 miles a year that is about $22,750 in fuel. ## S8 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 | | [Genesis G80](/vehicles/genesis-g80) | Electric, Gas | 18-23 mpg | 300 mi | $800-$4,550 | | [Mercedes-Benz S-Class](/vehicles/mercedes-benz-s-class) | Gas, Hybrid | 14-23 mpg | -- | $3,550-$5,850 | | [Porsche Panamera](/vehicles/porsche-panamera) | Gas | 21 mpg | -- | $3,900 | | [Genesis G90](/vehicles/genesis-g90) | Gas, Hybrid | 20-21 mpg | -- | $3,900-$4,100 | Other current large car from other makes, most efficient first. ## Frequently asked questions ### What mpg does the 2027 Audi S8 get? The 2027 Audi S8 is EPA-rated at 18 mpg combined, depending on engine and drivetrain. Real-world mileage varies with speed, climate and load. ### What engine does the 2027 Audi S8 have? The 2027 Audi S8 comes with: 4.0L V8 turbo hybrid. It uses automatic transmission and is offered with AWD. ### Is there a hybrid Audi S8? Yes. The Audi S8 has been offered as a hybrid in some model years; the table above shows which. ### Which Audi S8 year gets the best gas mileage? In the EPA data, the 2015 Audi S8 has the highest combined rating, up to 20 mpg. Ratings for the same model can change between years when engines or test procedures change. ### How much does it cost to fuel a 2027 Audi S8 for a year? About $4,550 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 2027 Audi S8? The most efficient 2027 version, the S8, is rated 15 mpg city and 24 mpg highway (18 combined). Other engines and drivetrains are rated lower; the versions table above lists each one. ### How much CO2 does the 2027 Audi S8 emit? EPA rates its tailpipe CO2 at 502 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 2027 Audi S8 come with all-wheel drive? Yes. The 2027 Audi S8 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 Audi S8 cheap to run compared with other large cars? No, dearer than average: its EPA annual fuel cost of $4,550 compares with about $2,437 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/) ## All Audi cars - [Audi A3](https://diagxcar.com/vehicles/audi-a3) - [Audi RS](https://diagxcar.com/vehicles/audi-rs) - [Audi S3](https://diagxcar.com/vehicles/audi-s3) - [Audi RS e-tron](https://diagxcar.com/vehicles/audi-rs-e-tron) - [Audi S e-tron](https://diagxcar.com/vehicles/audi-s-e-tron) - [Audi A5](https://diagxcar.com/vehicles/audi-a5) - [Audi S5](https://diagxcar.com/vehicles/audi-s5) - [Audi A6](https://diagxcar.com/vehicles/audi-a6) - [Audi A8](https://diagxcar.com/vehicles/audi-a8) ## More Audi models - [Audi Q3](https://diagxcar.com/vehicles/audi-q3) - [Audi Q4 e-tron](https://diagxcar.com/vehicles/audi-q4-e-tron) - [Audi Q5](https://diagxcar.com/vehicles/audi-q5) - [Audi Q7](https://diagxcar.com/vehicles/audi-q7) - [Audi Q8](https://diagxcar.com/vehicles/audi-q8) - [Audi RS Q8](https://diagxcar.com/vehicles/audi-rs-q8) ## Other large cars - [BMW 7 Series](https://diagxcar.com/vehicles/bmw-7-series) - [BMW i7](https://diagxcar.com/vehicles/bmw-i7) - [Chrysler 300](https://diagxcar.com/vehicles/chrysler-300) - [Dodge Charger](https://diagxcar.com/vehicles/dodge-charger) - [Genesis G80](https://diagxcar.com/vehicles/genesis-g80) - [Genesis G90](https://diagxcar.com/vehicles/genesis-g90) - [Hyundai Ioniq](https://diagxcar.com/vehicles/hyundai-ioniq) - [Hyundai Sonata](https://diagxcar.com/vehicles/hyundai-sonata) ## 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/audi-s8 Updated: 2026-11-03 General information, not a substitute for a qualified mechanic.