KnownCarProblems2015 Audi A8 Problems and Recalls
Owners filed 31 complaints with NHTSA about the 2015 Audi A8, most often about the engine (55% of complaints, typically around 68,000 miles). It is the 2nd most complained-about A8 model year since 2000 and has 5 recalls.
Most common 2015 Audi A8 problems
Engine
17 complaints · 55%Half of these problems showed up before 68,000 miles.
Engine stalled in traffic and car would not restart. Car was operating normally, pulled up to a red light to turn left on to busy 2-lane highway. Engine began sputtering and car lurched forward. Light turned green, was able to turn left on to the road. I got 1/3 mile down the road and the engine stalled completely and…
Regular driving east bound on I-80 and after going up a hill my car couldn't go over 3500 rpms. Thought it was the ecu putting it into limp mode because of weather conditions. Turned out both my turbos blew at 67,000 miles and lead to total engine failure with metal shavings reaching the exhaust and loitering the oil…
Brakes
4 complaints · 13%The brake and gas pedals are too close. I consistently hit the brake while accelerating. They need to be spaced farther apart, and the brake pedal moved to the left. There are comments all over the internet about this problem and Audi service says there is no fix. I have large feet and have never had this problem with…
I was driving on a suburban city street in a straight line with no cars or any other obstructions ahead of me or behind me. Without warning, the car engaged its emergency braking throwing my daughter and me forward violently into our seat belts. When I fell back, the dashboard was showing me a proximity warning but…
Wheels and tires
3 complaints · 10%Electrical
3 complaints · 10%The contact owns a 2015 Audi A8. The contact stated that while driving at approximately 60 MPH, the vehicle speed decreased and suddenly failed to go over 40 MPH. In addition, when depressing the accelerator pedal, the vehicle stalled. The failure occurred intermittently. The vehicle was taken to the dealer but the…
I was driving on a suburban city street in a straight line with no cars or any other obstructions ahead of me or behind me. Without warning, the car engaged its emergency braking throwing my daughter and me forward violently into our seat belts. When I fell back, the dashboard was showing me a proximity warning but…
Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.
2015 Audi A8 recalls
Engine: turbo/supercharger
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.
Full defect summary
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.
Body and structure: hood
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.
Full defect summary
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.
Fuel system: hoses, lines/piping, and fittings
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.
Full defect summary
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.
Fuel system: fuel rail
Risk: A fuel leak in the presence of an ignition source can increase risk of a fire.
Fix: 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.
Full defect summary
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.
Fuel system: hoses, lines/piping, and fittings
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.
Full defect summary
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.
Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.
NHTSA defect investigations
Engine stall - turbo failure
Summary
On march 29, 2021, the office of defects investigation (odi) opened a preliminary evaluation (pe 21-009) after the agency received 58 reports alleging engine stalling in 2013-2016my audi vehicle models a8, s6, s7, s8 & rs7 equipped with the 4.0l, twin-turbocharged engine. Complainants reported the vehicles would stall with no warning while driving at highway or city traffic speeds. Several of the complainants alleged an inability to restart. The complaints alleged the major contributing factor to the engine stalling was the failure of the turbochargers. The complaints cited the turbocharger failure was a result of oil starvation due to a clogged oil strainer in the turbocharger oil supply li
Engine stall - turbo failure
Summary
On march 29, 2021, the office of defects investigation (odi) opened preliminary evaluation (pe) 21-009 after the agency received 58 reports alleging engine stalling in 2013-2016my audi vehicle models a8, s6, s7, s8 & rs7. The subject vehicles are equipped with 4.0l, twin-turbocharged engine. Complainants reported that the vehicles stall suddenly with no warning while driving on the highway or in city traffic. Several of the complainants alleged an inability to restart. The complaints allege the major contributing factor to the engine stalling is the failure of the turbochargers. The complaints further allege the turbocharger failure is a result of oil starvation due to a clogged oil strainer
Questions about the 2015 Audi A8
- What are the most common problems with the 2015 Audi A8?
- By NHTSA owner complaints: engine (17 complaints, typically around 68,000 miles); brakes (4 complaints); wheels and tires (3 complaints).
- How many recalls does the 2015 Audi A8 have?
- 5 recalls listed by NHTSA, the latest from March 23, 2022 (engine). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
- Is the 2015 a bad year for the Audi A8?
- It is the 2nd most complained-about A8 model year since 2000, with 31 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.
Other Audi A8 years
- 2013
- 2015