2014 Audi S8: Recalls, Problems & MPG
Here are the deets on the 2014 Audi S8: 5 recalls, 6 owner complaints and up to 18 mpg combined.

Recalls
5 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Visibility (wipers, glass) Vehicle recall #13V448000 · 2013 · 1,120 vehicles
What's wrong: Volkswagen group of america, Inc. (Volkswagen) is recalling certain model year 2013-2014 Audi a8 and s8 vehicles equipped with a standard sunroof, manufactured March 12, 2013, through July 15, 2013. These vehicles are equipped with a standard sunroof glass panel that May shatter.
Why it matters: Should the sunroof's glass break while the vehicle is in use, the falling glass could injure the driver or passengers. It could also distract the driver, increasing the risk of a crash.
The fix: Volkswagen will notify owners, and dealers will replace the sunroof glass panel, free of charge. The recall began on October 21, 2013.
Fuel system Vehicle recall #18V430000 · 2018 · 6,633 vehicles
What's wrong: Volkswagen group of america, Inc. (Volkswagen) is recalling certain 2013-2015 Audi s8 and a8 vehicles. The fuel supply line for the high pressure fuel pump May become porous over time, resulting in a fuel leak.
Why it matters: A fuel leak in the presence of an ignition source can increase the risk of a fire.
The fix: Audi will notify owners, and dealers will replace the fuel line, free of charge. The recall began July 20, 2018.
Fuel system Vehicle recall #19V057000 · 2019 · 8,985 vehicles
What's wrong: Volkswagen group of america, Inc. (Volkswagen) is recalling certain 2013-2016 Audi a8 and s8 vehicles. The fuel supply line for the high pressure fuel pump May become porous and leak fuel.
Why it matters: Leaking fuel, in the presence of an ignition source, increases the risk of fire.
The fix: Audi has notified owners, and dealers will install a fuel pressure damper, free of charge. The recall began February 21, 2019.
Body & structure Vehicle recall #20V397000 · 2020 · 12,964 vehicles
What's wrong: 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.
Why it matters: If the seal contacts hot engine components, there could be an increased risk of a fire.
The fix: 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.
Engine & cooling Vehicle recall #22V178000 · 2022 · 26,093 vehicles
What's wrong: Volkswagen group of america, Inc. (Audi) is recalling certain 2013-2017 a8, s6 sedan, s7, s8, and 2014-2017 rs7 vehicles. The turbocharger oil supply strainer can become blocked, causing wear to the bearings due to lack of lubrication.
Why it matters: Worn bearings can cause the turbine wheel to contact the turbocharger housing or cause the shaft to break, causing an engine stall and increasing the risk of a crash.
The fix: Dealers will replace the oil strainer and perform an oil change, free of charge. Owner notification letters were mailed August 4, 2022.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 1 mention a fire, 0 injuries and 0 deaths were reported.
What owners describe
- Engine (2): no single recurring theme in the descriptions.
- Engine & cooling (2): the most common themes are warning light on (2).
- Fuel & propulsion (1): no single recurring theme in the descriptions.
- Other / unknown (1): no single recurring theme in the descriptions.
The 2014 Audi S8 has 6 owner complaints, ranking #2 of 16 S8 model years for complaints (2.3× the average S8 year). Complaints peaked in 2019 (2 filed that year). The typical problem showed up when the car was about 6 years old, at a median of 58,000 miles. Neighboring years: 2013 (13 complaints, 5 recalls), 2015 (6 complaints, 4 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 4.0 L 8-cyl turbo | Automatic (S8) | All-Wheel Drive | 15 | 26 | 18 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2014 Audi S8.
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FAQ
Does the 2014 Audi S8 have any recalls?
Yes. NHTSA lists 5 vehicle recalls for the 2014 Audi S8. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2014 Audi S8 problems?
Owners have filed 6 complaints with NHTSA. The most-reported areas are engine (2), engine & cooling (2), fuel & propulsion (1).
What gas mileage does the 2014 Audi S8 get?
EPA ratings run up to 18 mpg combined (4.0 L, Automatic (S8)), across 1 engine and transmission combos.
Where can I get a 2014 Audi S8 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.