2027 Audi S8 Specs: MPG, Gas Mileage, Engine Size & Dimensions
2027 Audi S8 Specs at a Glance
The 2027 Audi S8 gets 18 mpg combined on the 4.0L All-Wheel Drive configuration, weighs 5,313 lbs, measures 203.9 in long. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.
- Combined MPG
- 18 mpg (15 city / 24 hwy)
- Best configuration: 4.0L · All-Wheel Drive · Automatic (S8)
- Engine
- 4.0L 8-cyl
- 4.0L · All-Wheel Drive · Automatic (S8)
- Curb weight
- 5,313 lbs
- Heaviest recorded configuration: S8 4DR SEDAN
- Length
- 203.9 in · 76.8 in wide · 57.9 in tall
- Wheelbase
- 118.1 in
2027 Audi S8 trims and MPG
| Trim | Engine | Trans | Drive | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Auto (S8), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (S8) | All-Wheel Drive | 15 | 24 | 18 |
Detailed Specifications
MPG & Fuel Economy
MPG for every year and trim
View details →Engine Specifications
Engine Specs for every year and trim
View details →Annual Fuel Cost
Fuel Cost for every year and trim
View details →Transmission Specifications
Transmission for every year and trim
View details →Drivetrain & Drive Type
Drivetrain for every year and trim
View details →Vehicle Class & EPA Size Category
Vehicle Class for every year and trim
View details →Maintenance Schedule & Service Intervals
Maintenance for every year and trim
View details →Dimensions & Size
Dimensions for every year and trim
View details →Curb Weight
Curb Weight for every year and trim
View details →Audi S8 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.
| Years | Variants | Engines | Drive | Class | Best MPG |
|---|---|---|---|---|---|
| 2020–2027 | 8 | 4.0L | All-Wheel Drive | Large Cars | 18 |
| 2015–2018 | 4 | 4.0L | All-Wheel Drive | Midsize Cars | 20 |
Audi S8 — All Years Overview
| Year | Trim | Engine | Trans | Drive | City | Hwy | Combined | Fuel |
|---|---|---|---|---|---|---|---|---|
| 2027 | Auto (S8), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (S8) | All-Wheel Drive | 15 | 24 | 18 | Premium Gasoline |
| 2026 | Auto (S8), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (S8) | All-Wheel Drive | 15 | 24 | 18 | Premium Gasoline |
| 2025 | Auto (S8), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (S8) | All-Wheel Drive | 15 | 24 | 18 | Premium Gasoline |
| 2024 | Auto (S8), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (S8) | All-Wheel Drive | 15 | 24 | 18 | Premium Gasoline |
| 2023 | Auto (S8), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (S8) | All-Wheel Drive | 15 | 23 | 18 | Premium Gasoline |
| 2022 | Auto (S8), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (S8) | All-Wheel Drive | 14 | 23 | 17 | Premium Gasoline |
| 2021 | Auto (S8), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (S8) | All-Wheel Drive | 13 | 22 | 16 | Premium Gasoline |
| 2020 | Auto (S8), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (S8) | All-Wheel Drive | 13 | 22 | 16 | Premium Gasoline |
| 2018 | Auto (S8), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (S8) | All-Wheel Drive | 14 | 24 | 18 | Premium Gasoline |
| 2017 | Auto (S8), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (S8) | All-Wheel Drive | 15 | 24 | 18 | Premium Gasoline |
| 2016 | Auto (S8), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (S8) | All-Wheel Drive | 15 | 25 | 18 | Premium Gasoline |
| 2015 | Auto (S8), 8 cyl, 4.0 L | 8 · 4.0L | Automatic (S8) | All-Wheel Drive | 16 | 27 | 20 | Premium Gasoline |
Compare the Audi S8 with rivals
- Audi S8 vs BMW 4 Series
- Audi S8 vs Mercedes-Benz E-Class
- Audi S8 vs Ford Mustang
- Audi S8 vs Mercedes-Benz C-Class
- Audi S8 vs Mercedes-Benz S-Class
- Audi S8 vs Dodge Challenger
- Audi S8 vs BMW 2 Series
- Audi S8 vs BMW 5 Series
- Audi S8 vs Chevrolet Camaro
- Audi S8 vs BMW 7 Series
- Audi S8 vs BMW 8 Series
- Audi S8 vs Infiniti Q50
- Audi S8 vs MINI John Cooper Works
- Audi S8 vs Lexus IS
- Audi S8 vs Cadillac CT4
- Audi S8 vs Cadillac CT5
- Audi S8 vs Volvo S60
- Audi S8 vs Lexus RC
- Audi S8 vs Lexus LS
- Audi S8 vs Nissan Altima
- Audi S8 vs MINI Clubman
- Audi S8 vs Chrysler 300
- Audi S8 vs Genesis G70
- Audi S8 vs Rolls-Royce Ghost
- Audi S8 vs Maserati Ghibli
- Audi S8 vs Bentley Continental
- Audi S8 vs Genesis G90
- Audi S8 vs Maserati Quattroporte
- Audi S8 vs Subaru WRX
- Audi S8 vs Rolls-Royce Phantom
- Audi S8 vs Mercedes-Benz CLS-Class
- Audi S8 vs Kia K5
- Audi S8 vs Subaru BRZ
- Audi S8 vs Kia Stinger
- Audi S8 vs Mercedes-Benz CLE-Class
- Audi S8 vs Bentley Flying Spur
- Audi S8 vs BMW X1
- Audi S8 vs Volvo S90
- Audi S8 vs Lexus LC
- Audi S8 vs BMW X2
Compare across every brand
All Audi S8 specifications
Audi S8 — Frequently Asked Questions
What is the fuel economy of the 2027 Audi S8?
The Audi S8 is EPA-rated at up to 20 MPG combined (16 city / 27 highway), a historical peak recorded on the 2015 model year.
What engine does the 2027 Audi S8 have?
The Audi S8 uses a 4.0L 8-cylinder engine paired with an Automatic transmission.
What years of the Audi S8 are covered here?
This page documents 12 verified Audi S8 configurations across model years 2015–2027.
Which model year of the Audi S8 is the most fuel efficient?
The 2015 Audi S8 holds the highest combined rating at 20 MPG; the 2020 sits lowest at 16 MPG, a difference of 4 MPG (about 25%) across the 12 rated years on file.
How many engine options does the Audi S8 have?
Across every year on record the Audi S8 uses one displacement, 4L, so trims differ by drivetrain and equipment rather than engine size.
Is the 2027 Audi S8 front-wheel drive or all-wheel drive?
Every Audi S8 configuration on record here is All-Wheel Drive; no alternative drivetrain appears in the 2015–2027 data.