2020 Audi A6 Reliability Data: Problems & Recalls
Caution The 2020 Audi A6 has a Complaint Index of 60, ranking 9th worst out of 21 model years, with a Caution verdict. It carries 25 complaints and 9 recalls, led by electrical system issues at 68% share.
Based on NHTSA complaints per model-year, not a reliability rating. Methodology
YearToAvoid Scorecard
- Complaint Index
- 60/100
- #9 of 21 A6 years
- Verdict
- Caution
- vs. other years of this model
- Complaints
- 25
- unique NHTSA reports
- Recalls
- 9
- distinct NHTSA campaigns
- Crashes
- 0
- reported in complaints
- Fires
- 0
- Injuries
- 0
- Top issue
- Electrical System
- NHTSA overall rating
- 5 / 5 ★
- EPA combined MPG
- 24
- 22 city / 29 hwy
- Injuries / deaths
- 0 / 0
Top 2020 Audi A6 problems
Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.
- Electrical System17 (68%)
- Collision Avoidance & Cameras6 (24%)
- Other5 (20%)
- Structure & Body4 (16%)
- Steering2 (8%)
- Brakes1 (4%)
- Engine1 (4%)
- Fuel System1 (4%)
A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.
What owners report
- Automated emergency braking activates on its own with no obstacle present, sometimes jolting occupants.
- Driver assist systems intermittently malfunction, including sudden unexplained braking and emergency assist attempting to steer into an adjacent lane.
- Dashboard and instrument panel areas produce vibration noises during acceleration or on uneven roads.
- The gear display sometimes freezes on PARK after shifting into drive, then goes dark before showing the correct gear.
- Liquid intrusion into a rear-seat gateway module has caused electrical short circuits that disabled power steering and brakes mid-drive.
- One owner reported the sunroof spontaneously shattering while driving on the freeway at highway speed.
2020 Audi A6 recalls
9 NHTSA recall campaigns list this model year.
- NHTSA 25V900000Dec 19, 2025Collision Avoidance & Cameras356,894 vehicles
Back over prevention: sensing system: camera
Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2026 vehicles. Please see the recall report for a complete list of models. A software error may prevent the rearview camera image from displaying as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Risk: A rearview image that does not display reduces the driver's view behind the vehicle, increasing the risk of a crash.
Remedy: Dealers will update the software, free of charge. Owner notification letters were mailed January 14, 2026. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 90TV. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on December 23, 2025.
- NHTSA 23V601000Aug 25, 2023Brakes7,499 vehicles
Service brakes, hydraulic:fluid
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi S7, S6 Sedan, RS7, RS6 Avant, A6 Allroad, 2019-2021 A7, and A6 Sedan vehicles. An incorrectly labeled brake fluid cap may have been installed, which can result in the use of the wrong type of brake fluid.
Risk: Incorrect brake fluid can reduce braking ability and increase the risk of a crash.
Remedy: Dealers will inspect the brake fluid reservoir cap and, if necessary, replace it, free of charge. Owner notification letters are expected to be mailed October 17, 2023. Owners may contact Audi's customer service at 1-800-253-2834. Volkswagen's number for this recall is 47T9.
- NHTSA 22V861000Nov 21, 2022Electrical System50,883 vehicles
Electrical system
Volkswagen Group of America, Inc. (Audi) is recalling certain 2020-2022 Audi S7, S6 Sedan, A6 Allroad, 2021-2022 RS7, RS6 Avant, 2019-2022 A7, and A6 Sedan vehicles. Liquid spilled in the rear seat may penetrate and cause the gateway control module to shut down.
Risk: A gateway control module shutdown will suddenly reduce engine power, increasing the risk of a crash.
Remedy: Dealers will install a protective cover, free of charge. Owner notification letters are expected to be mailed January 20, 2023. Owners may contact Audi's customer service at 1-800-253-2834. Audi's number for this recall is 90V2.
2020 Audi A6 fuel economy and fuel cost
- City
- 22 MPG
- Highway
- 29 MPG
- Combined
- 24 MPG
- Annual fuel cost (EPA)
- $3,300
- 15,000 mi/yr
- Fuel
- Premium
- Current regular gas
- $4.32/gal
- national avg.
EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.
2020 compared with other A6 years
Frequently asked questions
- Is the 2020 Audi A6 reliable?
- Based on NHTSA owner complaints and recalls, the 2020 A6 has a Complaint Index of 60, ranking 9th worst among 21 model years, earning a Caution verdict relative to other A6 years.
- What are the most common problems with the 2020 Audi A6?
- Electrical system issues make up 68% of complaints, followed by collision avoidance and camera problems at 24%, and structure and body issues at 16%.
- Does the 2020 Audi A6 have recalls?
- NHTSA lists 9 recall campaigns tied to the 2020 A6, covering areas including airbags, electrical system, suspension, and collision avoidance cameras. None are do-not-drive recalls.
- How does the 2020 A6 compare to other years?
- The 2019 A6 has the worst Complaint Index at 100, while 2018 and 2017 are rated Best with indexes of 15 and 20. The 2020 model sits worse than most years with an index of 60.
- At what mileage do 2020 Audi A6 problems appear?
- NHTSA data shows a median mileage at failure of 22,000 miles overall, with electrical system complaints centered around 44,500 miles and collision avoidance issues around 6,000 miles.