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2015 Audi A8 L W12

The 2015 Audi A8 L W12 is a 6.3-liter with an 8-speed tiptronic automatic and all-wheel drive. It is rated at 16 mpg combined.

EPA fuel-economy estimates are 13 mpg city and 22 mpg highway (16 mpg combined).

Spec Value
Vehicle
Body TypeSedan
PowertrainGas
Engine
Engine Type6.3L W12
Displacement6.3 L
Drivetrain
Drive Typequattro all-wheel drive
Differential Typequattro all-wheel drive
Transmission
Transmission8-speed Tiptronic automatic
Fuel Economy
City13 MPG
Highway22 MPG
Combined16 MPG
Recommended FuelPremium
Dimensions & Weight
Cargo Volume15 ft³

Safety & Recalls

NCAP safety ratings

Tested, but no star ratings were published (2015 Audi A8 4 DR AWD).

Recalls

5 recalls on file with NHTSA for the 2015 Audi A8. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.

Mar 23, 2022 · ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

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.

Consequence: 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.

Remedy: 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.

NHTSA campaign 22V178000

Jul 7, 2020 · STRUCTURE:BODY:HOOD

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.

NHTSA campaign 20V397000

Jan 28, 2019 · FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

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.

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

Remedy: 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.

NHTSA campaign 19V057000

Jan 16, 2019 · FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL

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.

NHTSA campaign 19V035000

Jun 25, 2018 · FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

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.

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

Remedy: 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.

NHTSA campaign 18V430000

31 owner complaints to NHTSA for the 2015 Audi A8

Owner Complaints

31 owner complaints filed with NHTSA for the 2015 Audi A8 (1 mention a crash, 1 an injury). See all on nhtsa.gov

Most-cited areas
Engine17
Service Brakes4
Electrical System3
Wheels3
Forward Collision Avoidance2
Power Train2
A complaint can cite more than one area.
Most recent complaints
Oct 7, 2025 · Suspension, Electrical System, Forward Collision Avoidance
“So I purchased a vehicle from wright drive in El Paso, Texas. I was driving home back to Alamogordo which is 90 miles away, maybe 80 I realized there was no adaptive cruise control. So I messaged…”
Jan 5, 2025 · Engine
“Yet another beautiful Audi 3.0tfsi with the rocker arm failure … how is there not a class action lawsuit already ? I have a knock in my valve train and I just bought this car two days ago …. Audi…”
Feb 22, 2024 · Visibility/Wiper
“Water leaking from passenger side top right corner from windshield. Glass isn’t damaged. Just started leaking for no reason”
Feb 17, 2024 · Structure, Visibility/Wiper
“Leaking windshield on passenger side top left corner”
Apr 12, 2022 · Engine
“The contact owns a 2015 Audi A8. The contact stated that while driving approximately 55 MPH, the check engine warning light illuminated and the vehicle that stalled. The vehicle was towed to the…”

Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.

Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2015 AUDI A8. US-market vehicles only; data cached for up to 7 days.

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