2018 Audi A6 Problems, Complaints & Recalls
- Compared with other A6 years
- Far fewer complaints than other years 27th of 32 for complaints
- Safety recalls
- 2 recalls: check your VIN
- NHTSA crash rating
- 5 out of 5 stars
Owners have filed 11 complaints with NHTSA about the 2018 Audi A6. That ranks 27th out of 32 A6 model years for complaints. The most reported problem area is engine (7 complaints, 64%), typically at around 11,800 miles. Complaints mention 1 fire. There are 2 safety recalls covering this model year.
- 11owner complaints
- 2safety recalls
- 0NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2018 Audi A6 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Engine | 7 | 64% | 11,800 | — | — |
| Fuel/propulsion System | 4 | 36% | 9,900 | — | — |
| Unknown or Other | 2 | 18% | — | — | — |
| Air Bags | 1 | 9% | — | — | — |
| Electrical System | 1 | 9% | — | — | — |
| Power Train | 1 | 9% | 8,000 | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2018 Audi A6 recalls (2)
Tap a recall to see the problem, the risk and the fix.
Fuel system, gasoline:fuel injection system:fuel rail
Problem: 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.
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.
Air bags:sensor:occupant classification
Problem: 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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
February 27, at approximately 1:20am my vehicle caught fire while parked in the driveway after sitting for about 9 hours. The fire originated near the gas tank. The fire department was called, there is a fire report being conducted. Audi was notified.
Audi is unable to correct the recall repairs despite several attempts by us to schedule. Advised parts are no longer available and were not available during 2 previous attempts to repair.
2018 Audi A6 3.0T diagnosed a coolant leak due to water pump failure at less than 43k miles on March 27, 2024. In July 2023 (at less than 39k miles), the vehicle's thermostat was replaced due to a coolant leak. These are substantial failures in terms of risk to engine damage and cost to consumer…
The main water pump failed earlier than expected at 48000miles. Dealer mentioned that water pump should not fail so early
Coolant leak, warning light signified an issue with the cooling system. Took vehicle to Audi dealership service department; they confirmed there is a big coolant leak with the coolant pump and thermostat. Vehicle inspected by Audi Sewell dealership for repairs. Symptoms appeared approximately…
Other Audi A6 years
| Year | Complaints | Recalls |
|---|---|---|
| 2026 A6 | 6 | 0 |
| 2025 A6 | 6 | 2 |
| 2024 A6 | 3 | 1 |
| 2023 A6 | 2 | 1 |
| 2022 A6 | 2 | 5 |
| 2021 A6 | 17 | 11 |
| 2020 A6 | 26 | 9 |
| 2019 A6 | 114 | 7 |
| 2018 | 11 | 2 |
| 2017 A6 | 20 | 3 |
| 2016 A6 | 51 | 3 |
| 2015 A6 | 22 | 4 |
| 2014 A6 | 41 | 4 |
| 2013 A6 | 52 | 6 |
| 2012 A6 | 60 | 8 |
| 2011 A6 | 21 | 3 |
| 2010 A6 | 17 | 3 |
| 2009 A6 | 21 | 4 |
| 2008 A6 | 71 | 4 |
| 2007 A6 | 53 | 4 |
| 2006 A6 | 67 | 4 |
| 2005 A6 | 91 | 3 |
| 2004 A6 | 35 | 4 |
| 2003 A6 | 66 | 7 |
| 2002 A6 | 88 | 4 |
| 2001 A6 | 113 | 7 |
| 2000 A6 | 148 | 4 |
| 1999 A6 | 217 | 9 |
| 1998 A6 | 130 | 10 |
| 1997 A6 | 20 | 2 |
| 1996 A6 | 51 | 2 |
| 1995 A6 | 16 | 2 |
See all Audi A6 problems by year, every Audi model, or the Audi VIN decoder.
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Frequently asked questions
What are the most common problems with the 2018 Audi A6?
Owners most often report engine, fuel/propulsion system, unknown or other problems. The top one, engine, accounts for 7 complaints.
Was there a recall on the 2018 Audi A6?
Yes, 2 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2018 Audi A6 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other A6 model years, the 2018 has far fewer complaints than most years, and NHTSA rates it 5 out of 5 stars overall in crash tests. Always get a pre-purchase inspection and check the VIN for open recalls.