2018 Audi A8
The Verdict
Worst problem area
No complaints reported
No complaints have been filed with NHTSA for this model-year.
Complaints filed fell from 8 in 2017 to 0 in 2018.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2016 | 2017 | 2018 | 2019 | 2020 | vs. 2018 Large Cars |
|---|---|---|---|---|---|---|
| Annual fuel cost ($) | 3,200–4,850 | 3,500 | 3,500–4,100 | 3,500–4,300 | 3,350–4,300 | |
| Combined MPG | 16–28 | 22 | 19–22 | 18–22 | 18–23 | |
| City / Highway MPG | 13–24 / 22–36 | 18–19 / 29 | 16–19 / 26–29 | 15–19 / 23–27 | 15–21 / 23–27 | |
| CO₂ tailpipe (g/mi) | 360–553 | 397–410 | 397–466 | 405–495 | 430–495 | |
| Complaints filed | 11 | 8 | 0 | 14 | 3 | |
| Recalls issued | 4 | 3 | 2 | 3 | 5 | |
| Crash-involved complaints | 0 | 1 | 0 | 1 | 0 | |
| Fire-involved complaints | 0 | 0 | 0 | 0 | 1 | |
| Injuries reported | 0 | 0 | 0 | 0 | 0 | |
| Deaths reported | 0 | 0 | 0 | 0 | 0 | |
| Configurations compared | 4 | 2 | 2 | 2 | 3 |
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 A8 have?
2 NHTSA recall campaigns 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 A8 get?
EPA rates it 19–22 MPG combined across 2 configurations.
How much does it cost to fuel a 2018 Audi A8?
EPA estimates $3,500–$4,100 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (2)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic (S8) | 6 | 3.0L | All-Wheel Drive | Premium | Large Cars | 19 mpg (high) | 29 mpg (high) | 22 mpg (high) | $3,500 (low) | 397 g/mi (low) |
| Configuration 2 | Automatic (S8) | 8 | 4.0L | All-Wheel Drive | Premium | Large Cars | 16 mpg (low) | 26 mpg (low) | 19 mpg (low) | $4,100 (high) | 466 g/mi (high) |
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 (2)
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.
FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL · Campaign 19V035000 · Jan 31, 2019
Defect: Volkswagen Group of America, Inc. (Audi) is recalling certain 2016-2018 Q7, A6 and A7 vehicles, and 2015-2018 Audi A8 vehicles. The left and right fuel rails may leak fuel.
Consequence: A fuel leak in the presence of an ignition source can increase risk of a fire.
Remedy: Audi has notified owners, and dealers will replace the left and right fuel rail, free of charge. The recall began February 28, 2019. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 24DP.