2015 Audi S8 recalls and problems

The 2015 Audi S8 has 4 safety recalls and 6 owner complaints filed with NHTSA. Recall repairs are free at any Audi dealer.

Recalls
4
Complaints
6
Crashes / fires
0 / 0
Injuries / deaths
0 / 0

Recalls may cover only some 2015 Audi S8 vehicles. Check your VIN at NHTSA ↗ to see open recalls for your exact car.

2015 Audi S8 recalls

Recall 22V-178: Engine and Engine Cooling

Reported Mar 23, 2022 · 26,093 vehicles affected · Volkswagen Group of America, Inc.

Problem: 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.

Risk: 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.

Fix: Dealers will replace the oil strainer and perform an oil change, free of charge. Owner notification letters were mailed August 4, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 21H7.

Recall 20V-397: Structure

Reported Jul 7, 2020 · 12,964 vehicles affected · Volkswagen Group of America, Inc.

Problem: 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.

Risk: If the seal contacts hot engine components, there could be an increased risk of a fire.

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. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 51G6.

Recall 19V-057: Fuel System, Gasoline

Reported Jan 28, 2019 · 8,985 vehicles affected · Volkswagen Group of America, Inc.

Problem: 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.

Risk: Leaking fuel, in the presence of an ignition source, increases the risk of fire.

Fix: Audi has notified owners, and dealers will install a fuel pressure damper, free of charge. The recall began February 21, 2019. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 20BM.

Recall 18V-430: Fuel System, Gasoline

Reported Jun 25, 2018 · 6,633 vehicles affected · Volkswagen Group of America, Inc.

Problem: 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.

Risk: A fuel leak in the presence of an ignition source can increase the risk of a fire.

Fix: Audi will notify owners, and dealers will replace the fuel line, free of charge. The recall began July 20, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 20AV.

2015 Audi S8 problems reported by owners

Problem areaReports
Engine5
Power Train1

Typical mileage at the time of the problem: 50,800 miles (median of owner reports).

Problems that are not covered by a recall are paid repairs; labor rates follow local mechanic pay — see what auto mechanics earn in each state.

Recent 2015 Audi S8 complaints

Owner reports filed with NHTSA, as written (personal details removed). Complaints are not verified by NHTSA.

Power Train · reported Mar 20, 2024
Water Pump and thermostat has a faulty design that causes coolant to leak either around the O Ring and/or the elbow. I am in my third water pump and thermostat with only 69,000 miles on the vehicle. Issue appears to be common on the EA824 (4.0 twin turbo) engine with hundreds of reports from the complete range of EA824 equipped vehicles (S8, RS7, S6, S7, A8 etc). Average mileage of those reported are 65k miles or so. Hundreds of similar issues are reported via various Audi forums and social media groups. Poses a fire risk since coolant leaks all over the front of the engine. Poses another…
Engine · at 116,000 miles · reported Feb 10, 2023
The contact owns a 2015 Audi S8. The contact stated he was unable to start the vehicle. The contact stated that the Electronic Power Control (EPC) warning light was illuminated. The contact was able to start the vehicle, but the vehicle was shaking while driving. The contact also stated the vehicle had stalled. The contact took the vehicle to an independent mechanic and was informed that the oxygen sensor and oil pressure switch needed to be replaced. The vehicle was repaired but continued to experience the failure. The contact took the vehicle back to an independent mechanic and was referred…
Engine · reported Feb 18, 2022
Turbo failure and positive crankcase ventilation (PCV) failure. Whining noise from PCV and smoke out the tail pipes with no power. Had to pay out of pocket to remedy issues.
Engine · at 50,800 miles · reported Mar 5, 2021
Was driving on a saturday afternoon down a busy street when my car started sputtering and had very reduced power. I was able to eventually get to the side of the road and shut the car off. Tried starting the car after a resting period and car would not start. Let it sit longer and finally got it to start but car had very little power when pressing on the gas , but I was able to get to my local audi dealer for a diagnosis. ($190.00 + tax). I informed the technician of the issues I saw and also that I heard a whining noise coming from the engine. Diagnosis was that both turbos had significant…
Engine · at 43,750 miles · reported Jun 2, 2019
Only 43,750 miles and the engine is being completely rebuilt. New cam adjusters, new timing chain tensioners, new timing chain guides... This shouldn't happen on a car with such few miles.

Other Audi S8 years

Compare all Audi S8 years · All Audi models

Frequently asked questions

Does the 2015 Audi S8 have any recalls?

Yes — NHTSA lists 4 recalls for the 2015 Audi S8: 22V-178 (engine and engine cooling), 20V-397 (structure), 19V-057 (fuel system, gasoline), 18V-430 (fuel system, gasoline). Not every vehicle is affected, so check your VIN at nhtsa.gov/recalls.

What is the most common problem with the 2015 Audi S8?

Owners report engine problems most often (5 reports), followed by power train (1). The typical mileage when problems were reported is about 50,800 miles.

Are Audi recall repairs free?

Yes. Safety recall repairs are free at authorized Audi dealers, whether you are the first owner or bought the car used.