2018 Audi S8
The Verdict
Worst problem area
No complaints reported
No complaints have been filed with NHTSA for this model-year.
Complaints filed held steady at 0 in both 2017 and 2018.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2016 | 2017 | 2018 | 2020 | vs. 2018 Midsize Cars |
|---|---|---|---|---|---|
| Annual fuel cost ($) | 4,300 | 4,300 | 4,300 | 4,850 | |
| Combined MPG | 18 | 18 | 18 | 16 | |
| City / Highway MPG | 15 / 25 | 15 / 24 | 14 / 24 | 13 / 22 | |
| CO₂ tailpipe (g/mi) | 484 | 501 | 503 | 545 | |
| Complaints filed | 6 | 0 | 0 | 0 | |
| Recalls issued | 3 | 2 | 1 | 4 | |
| Crash-involved complaints | 0 | 0 | 0 | 0 | |
| Fire-involved complaints | 0 | 0 | 0 | 0 | |
| Injuries reported | 0 | 0 | 0 | 0 | |
| Deaths reported | 0 | 0 | 0 | 0 | |
| Configurations compared | 1 | 1 | 1 | 1 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2018 Audi S8 have?
1 NHTSA recall campaign as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What gas mileage does the 2018 Audi S8 get?
EPA rates it 18 MPG combined.
How much does it cost to fuel a 2018 Audi S8?
EPA estimates $4,300 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (1)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic (S8) | 8 | 4.0L | All-Wheel Drive | Premium | Midsize Cars | 14 mpg | 24 mpg | 18 mpg | $4,300 | 503 g/mi |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 0 | 0 | 0 | 0 | 0 |
| Transmission & Drivetrain | 0 | 0 | 0 | 0 | 0 |
| Fuel System | 0 | 0 | 0 | 0 | 0 |
| Electrical | 0 | 0 | 0 | 0 | 0 |
| Brakes | 0 | 0 | 0 | 0 | 0 |
| Steering | 0 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 0 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 0 | 0 | 0 | 0 | 0 |
| Driver Assistance & Speed Control | 0 | 0 | 0 | 0 | 0 |
| Body, Seats & Latches | 0 | 0 | 0 | 0 | 0 |
| Visibility & Lighting | 0 | 0 | 0 | 0 | 0 |
| Other | 0 | 0 | 0 | 0 | 0 |
Recalls (1)
STRUCTURE:BODY:HOOD · Campaign 20V397000 · Jul 7, 2020
Defect: Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2018 Audi S8 and A8 vehicles. The seal around the engine compartment may come loose and contact hot engine components.
Consequence: If the seal contacts hot engine components, there could be an increased risk of a fire.
Remedy: Audi will notify owners, and dealers will install a retaining plate to prevent the engine compartment seal from loosening. The recall began September 4, 2020. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 51G6.