TireKick

Verdict

2020 Audi A6: Complaints, Recalls & Known Issues

What the public record actually says about the 2020 Audi A6 — every figure below is a NHTSA or EPA number, not an opinion.

The read

Middle-of-the-pack complaint volume for sedan.

Owners filed 32 NHTSA complaints — more complaints than 60% of 2020 sedans. Electrical System leads the reports (59%). 9 safety recall campaigns on record — check the VIN and remedy terms with a dealer.

Based on NHTSA complaint volume against 2020 sedans, not adjusted for how many were sold. It describes the model year, not the individual car you are looking at.

Complaints filed

32

Reports to NHTSA, 2020

Safety recalls

9

NHTSA campaigns on record

NHTSA crash test

Overall NCAP rating

Combined MPG

24

EPA estimate

Complaint volume vs. segment peers

More complaints than 60% of 2020 sedans

The bar is this car's percentile among 2020 sedans by complaint volume — a full bar means the fewest complaints in its class. Not adjusted for sales.

Known issues

Electrical System issues lead owner complaints (59% of 32 reports), followed by forward collision avoidance (13%).

Electrical System59% · 19 reports
Forward Collision Avoidance13% · 4 reports
Structure9% · 3 reports
Power Train6% · 2 reports
Steering6% · 2 reports
Fuel/Propulsion System3% · 1 report
Suspension3% · 1 report

Share of all 32 NHTSA complaints for this model year, grouped by the component owners named. Bars are scaled to the largest category. Examples: ODI 11559037, ODI 11526617, ODI 11511811, ODI 11503455, ODI 11722661.

Recalls(9)

Open a recall to read what NHTSA says is wrong, what can happen, and how it gets fixed. Check the VIN and remedy eligibility with a dealer; federal no-charge requirements have an age limit, though a manufacturer may offer more coverage.

Air BagsOct 2021 · 21V159000Details +

Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi RS6 Avant, RS7, 2020-2021 A6 Allroad, S6 Sedan, S7, 2019-2021 A6 Sedan, and A7 vehicles. The score line on the passenger air bag may not have been manufactured correctly.

Risk: An incorrectly manufactured air bag may not deploy properly, and could also eject plastic debris into the passenger compartment, increasing the risk of injury during a crash.

Remedy: Audi will notify owners, and dealers will inspect the passenger air bag score line, and repair it as necessary, free of charge. The recall begin March 26, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 70i2.

Electrical System · 20V153000Details +

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2019-2020 Audi A6 vehicles equipped with mild-hybrid technology and 2.0TFSI engines. Moisture may enter the starter generator and cause an electrical short circuit.

Risk: A short circuit in the starter generator increases the risk of a fire.

Remedy: Volkswagen will notify owners, and dealers will replace the starter generator, free of charge. The recall began by May 22, 2020. Owners may contact Volkswagen customer service at 1-800-893-5298. Volkswagen's number for this recall is 27H2.

Air Bags · 20V274000Details +

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2020 Audi A6, A6 Allroad and A7 vehicles. The passenger air bag may not properly deploy through the instrument panel tear seam.

Risk: In the event of a crash, the passenger air bag may not properly deploy and inflate, and small plastic parts may enter the cabin, increasing the risk of injury.

Remedy: Audi will notify owners, and dealers will replace the instrument panels, free of charge. The recall began June 24, 2020. Owners may contact Audi customer service at 1-800-822-2834. Volkswagen's number for this recall is 70H6.

Suspension · 21V295000Details +

Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Q7, Q8, Q5 Sportback, SQ5 Sportback, RS6 Avant, RS7, RS Q8, 2020-2021 Audi S6 sedan, Q5, A8, S8, A7, A6 Allroad, A5 Cabriolet, A4 sedan, A4 Allroad, SQ5, S7, A6 sedan, S5 coupe, S4 sedan, S5 Cabriolet, A5 coupe, 2019-2021 RS5 coupe, A5 Sportback, S5 Sportback, RS5 Sportback vehicles. The lock nut on the trailing arm of the rear axle may break due to stress corrosion.

Risk: A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.

Remedy: Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner notification letters were mailed June 4, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L1.

Tires · 22V034000Details +

Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A6 Sedan, A7, A8, Q5, S4 Sedan, S5 Coupe, S5 Cabriolet, S6 Sedan, S7, S8, SQ5, 2021 Q5 Sportback, Q7, Q8, RS6 Avant, RS7, RSQ8, SQ5 Sportback, SQ7, and SQ8 vehicles. The rear axle alignment may not have been inspected after the repairs for Recall 21V-295 (42L1) were performed.

Risk: Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.

Remedy: Dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely or unevenly worn tires, free of charge. Owner notification letters were mailed March 3, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L5.

Electrical System · 22V155000Details +

Volkswagen Group of America, Inc. (Audi) is recalling certain 2021-2022 RS6 Avant and RS7, 2020-2022 A6 Allroad, S6 Sedan, and S7, and 2019-2022 A6 Sedan and A7 vehicles. The fuel level sender may stick, causing an inaccurate fuel level reading to be displayed on the instrument cluster.

Risk: An inaccurate fuel reading may cause an engine stall due to lack of fuel, increasing the risk of a crash.

Remedy: Dealers will install a new sensor in the tank, free of charge. Owner notification letters were mailed February 17, 2023. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 20DN.

Electrical System · 22V861000Details +

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.

Service Brakes · 23V601000Details +

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.

Back Over Prevention · 25V900000Details +

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.

A campaign can apply to this model year without being incomplete on a specific vehicle. Check the VIN with NHTSA or a dealer to confirm whether a particular car needs repair.

Investigations

0 NHTSA investigations on record

No investigations are on record as of Jul 2026. An empty record is not a clean bill of health.

Crash-test ratings

2020 Audi A6 4 DR FWD NHTSA source

Overall
Frontal
Side
Rollover

2020 Audi A6 4 DR AWD NHTSA source

Overall
Frontal
Side
Rollover

Source: NHTSA New Car Assessment Program (NCAP).

Fuel economy by trim

TrimEngineDrivetrainCityHwyCombined
A6 quattro2.0L 4-cylAll-Wheel Drive243227
A6 quattro3.0L 6-cylAll-Wheel Drive222924
A6 Allroad3.0L 6-cylAll-Wheel Drive202622

EPA laboratory estimates by trim and engine. Actual mileage varies with driving, weather, load, and maintenance. EPA source.

Before you buy

Useful next checks

Federal records tell you about patterns. These checks can tell you more about the specific car in front of you.

These are affiliate links. TireKick may earn a fee if you use one.

Compare model years

"Fewest reports" and "most complained" describe raw NHTSA complaint totals, not vehicle reliability. The last few model years are left unlabelled because they have had less road time.

2020 Audi A6: frequently asked

What does the complaint record show for the 2020 Audi A6?

Owners filed 32 NHTSA complaints about the 2020 Audi A6 — more complaints than 60% of comparable 2020 sedans, so it sits toward the weaker end of its class. That's a signal, not a guarantee about any single car.

What are the most common problems on the 2020 Audi A6?

The most-reported problem areas are Electrical System (59% of complaints) and forward collision avoidance (13%).

How many recalls does the 2020 Audi A6 have?

9 recalls have been issued that affect the 2020 Audi A6, covering components such as air bags. Check the VIN with NHTSA and ask a dealer to confirm remedy eligibility; federal no-charge requirements have an age limit, though manufacturers may offer more coverage.

What gas mileage does the 2020 Audi A6 get?

The EPA rates the 2020 Audi A6 between 22 and 27 mpg combined, depending on trim and drivetrain.