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2015 Audi A6
Solid pick. The complaint record is strong for its age. It does carry safety recalls, so confirm every one shows "remedy completed" on the VIN before money changes hands.
21 owner complaints · 4 recalls · data verified July 14, 2026 · source: NHTSA
Why buy?
Very few owner complaints for its age and sales volume.
Complaints are overwhelmingly minor: almost none involve crashes, fires, or injuries.
The math, shown
Full methodology →Complaints filed per year
Fading = early teething worked out. Climbing = problems aging in.
How it crashes
NHTSA’s own crash tests, separate from the reliability score above.
5/5 overall
NHTSA 5-Star Safety Rating · 2015 Audi A6 4 DR FWD
Rollover risk in a single-vehicle crash: 9%
No open NHTSA defect investigations on file.
Source: nhtsa.gov/ratings. Star ratings compare vehicles within the same class and size, not across every car on the road.
The road ahead
What breaks on a 2015 Audi A6, plotted where owners report it happening.
Also reported (mileage varies): Engine (6)
Mileage medians come from owners who mentioned an odometer reading in their NHTSA complaint, a rough guide, not a schedule.
Engine
29%6 complaints
“The defect of water pump used by this model causes coolant leakage and a serious overheating problem that triggers the temperature warning light. It is a safety risk w…”
Engine & cooling
19%4 complaints · 1 in the last 2 years
“The contact owns a 2015 Audi A6. The contact stated while driving 65 MPH, the oil warning light illuminated. The contact veered to the side of the road and called for …”
Electrical system
14%3 complaints
“The car will randomly die without notice and then will not start. There's an EC fault but no other identifiers and the car won't start for quite some time. After sitti…”
Airbags
14%3 complaints
“TAKATA RECALL DEALERSHIP INDICATES THAT THIS REPLACEMENT PRODUCT IS NOT AVAILABLE ANYWHERE TO HAVE IT FIXED.”
Recalls (4)
Safety recall repairs are free at the brand’s franchised dealers. Before buying, run the VIN at nhtsa.gov/recalls and make the seller show the work was done.
Electrical System · 18V862000
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2015-2016 Audi A6 Sedans and 2015 Audi A7 vehicles. The auxiliary heater electrical connector on these vehicles may have been incorrectly inserted into the auxiliary heater, possibly resulting in increased electrical resistance.
Risk: The extra resistance can cause the connector to overheat, increasing the risk of a fire.
Fix: Volkswagen will notify owners, and dealers will inspect the auxiliary heater connector, replacing the auxiliary heater and connector, as necessary, free of charge. The recall began March 15, 2019. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 82C1.
Air Bags · 18V370000
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2018 Audi S6 and S7, 2012-2018 A7 and A6 Sedan, and 2014-2018 RS7 vehicles equipped with basic seats (with or without heating). Stress or wear of the body-sensing mat within the front passenger seat may cause the Passenger Occupant Detection System (PODS) control module to malfunction.
Risk: If the PODS module malfunctions, the front passenger air bag may not deploy properly in the event of a crash, increasing the risk of injury.
Fix: Volkswagen will notify owners, and dealers will install a PODS system repair kit, free of charge. The recall began November 29, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 74D5.
Engine And Engine Cooling · 18V229000
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2017 Audi A5 Cabriolet, A5 Sedan and Audi Q5 vehicles, 2012-2015 Audi A6 vehicles and 2013-2016 Audi A4 Sedan and A4 allroad vehicles. These vehicles, equipped with 2.0l Turbo FSI engines, have an electric coolant pump that can either become blocked with debris from the cooling system causing it to overheat or can short-circuit from moisture within the pump.
Risk: A blocked pump or a short-circuited pump can increase the risk of a fire.
Fix: Audi will notify owners, and dealers will replace the pumps, free of charge. The recall began September 14, 2018. Owners may contact Audi customer service at 1-800-253-2834. Audi's number's for this recall is 19N3/19N4. Note: This recall is in additional to the coolant pump software update applied as a remedy under recall 17V002.
Engine And Engine Cooling · 17V002000
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2017 Audi A5, A5 Cabriolet and Q5 vehicles, 2013-2016 Audi Allroad and Audi A4 vehicles and 2012-2015 Audi A6 vehicles. These vehicles, equipped with 2.0l Turbo FSI engines, have an electric coolant pump that can be blocked with debris from the cooling system, resulting in the pump overheating.
Risk: If the coolant pump overheats, it can increase the risk of a fire.
Fix: Audi will notify owners, and dealers will update the software so that the power supply to the coolant pump is deactivated if the pump becomes blocked with debris, free of charge. The recall is expected to begin February 20, 2017. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 19M1.
Before you hand over money
Verify the recall work was done
NHTSA’s free lookup shows whether this exact car had its recall remedies completed.
Free NHTSA VIN check ↗Get a pre-purchase inspection
A $150 to $250 independent inspection of this exact 2015 Audi A6 beats every score on the internet, including ours.
What to ask forNot set on the 2015? See how every A6 model year scores →
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What owners say
Real owners of this exact model-year, shown separately from the NHTSA score. If they disagree, that’s worth knowing.