BestCarRank
Audi

2020 Audi A6 ALLROAD

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2020 Audi A6 ALLROAD has 14 owner complaints filed with NHTSA — that's 0.2x the segment average of 80. The most common issue is electrical problems (43% of all complaints), specifically: my electrical system failed and the car died on the freeway. this is now recognized as a chronic problem- a software bug in the 48 volt mild hybrid system- with several audi models, including this a6 allroad. the bug apparently damages the vehicles alternator, which must then be replaced. there is a.

2 injuries

14

Total Complaints

0

Recalls Issued

/5

Safety Stars

0.2x

vs Segment Avg

Known Problems

ELECTRICAL

6 complaints
43%
  • My electrical system failed and the car died on the freeway. This is now recognized as a chronic problem- a software bug in the 48 volt mild hybrid system- with several Audi models, including this A6 Allroad. The bug apparently damages the vehicles alternator, which must then be replaced. There is a
  • While driving on the interstate, I received a warning about an electrical system malfunction. As I neared my home, I received warnings about transmission failure, suspension malfunction, steering malfunction, sensor failure, and more. After a tow to the dealership I was told it is a generator/altern
  • Lamp: Electrical system malfunction: safely stop vehicle. I have read that they car would have next shut down and loss of control while driving.
Typical onset: 50K miles Est. repair: $500

My electrical system failed and the car died on the freeway. This is now recognized as a chronic problem- a software bug in the 48 volt mild hybrid system- with several Audi models, including this A6 Allroad. The bug apparently damages the vehicles alternator, which must then be replaced. There is a

— NHTSA complaint filing

TRANSMISSION

2 complaints
14%
  • While driving on the interstate, I received a warning about an electrical system malfunction. As I neared my home, I received warnings about transmission failure, suspension malfunction, steering malfunction, sensor failure, and more. After a tow to the dealership I was told it is a generator/altern
  • Dashboard error messages, "Electrical System Malfunction! Please contact service" and "Vehicle Starting System: Malfunction! Please contact service". Dealer replied that it is a starter generator. Unsafe to drive, towed to dealer service. Part has been on order for more than three weeks.
Typical onset: 50K miles Est. repair: $500

While driving on the interstate, I received a warning about an electrical system malfunction. As I neared my home, I received warnings about transmission failure, suspension malfunction, steering malfunction, sensor failure, and more. After a tow to the dealership I was told it is a generator/altern

— NHTSA complaint filing

SUSPENSION

1 complaints
7%
  • The contact's wife owns a 2020 Audi A6. The vehicle was serviced under NHTSA Campaign Number: 21V295000 (suspension), however after a few months the contact had an issue with the vehicle's rear tires. The vehicle was taken to a tire center where they were unable to replace the rear tires due to seve
Typical onset: 50K miles Est. repair: $500

The contact's wife owns a 2020 Audi A6. The vehicle was serviced under NHTSA Campaign Number: 21V295000 (suspension), however after a few months the contact had an issue with the vehicle's rear tires. The vehicle was taken to a tire center where they were unable to replace the rear tires due to seve

— NHTSA complaint filing

FUEL SYSTEM

1 complaints
7%
  • While driving on the interstate, I received a warning about an electrical system malfunction. As I neared my home, I received warnings about transmission failure, suspension malfunction, steering malfunction, sensor failure, and more. After a tow to the dealership I was told it is a generator/altern
Typical onset: 50K miles Est. repair: $500

While driving on the interstate, I received a warning about an electrical system malfunction. As I neared my home, I received warnings about transmission failure, suspension malfunction, steering malfunction, sensor failure, and more. After a tow to the dealership I was told it is a generator/altern

— NHTSA complaint filing

SPEED CONTROL

1 complaints
7%
  • I have a 2020 All Road. Received message driving close to my home to contact service due to electrical malfunction and made it to my driveway. This was on a Sunday and no service center was available. Car lost its HVAC and auto stop mechanism on the way home and parked it in the driveway away to be
Typical onset: 50K miles Est. repair: $500

I have a 2020 All Road. Received message driving close to my home to contact service due to electrical malfunction and made it to my driveway. This was on a Sunday and no service center was available. Car lost its HVAC and auto stop mechanism on the way home and parked it in the driveway away to be

— NHTSA complaint filing

Estimated Repair Costs

ELECTRICAL(~50K mi)
$500
TRANSMISSION(~50K mi)
$500
SUSPENSION(~50K mi)
$500
FUEL SYSTEM(~50K mi)
$500
SPEED CONTROL(~50K mi)
$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 14 owner complaints for this specific year, here's what to check or ask about:

  • ELECTRICAL: My electrical system failed and the car died on the freeway. This is now recognized as a chronic problem- a software bug in the 48 volt mild hybrid system- with several Audi models, including this A6 Allroad. The bug apparently damages the vehicles alternator, which must then be replaced. There is a

    Typically appears around 50K miles. Repair cost ~$500

  • TRANSMISSION: While driving on the interstate, I received a warning about an electrical system malfunction. As I neared my home, I received warnings about transmission failure, suspension malfunction, steering malfunction, sensor failure, and more. After a tow to the dealership I was told it is a generator/altern

    Typically appears around 50K miles. Repair cost ~$500

  • SUSPENSION: The contact's wife owns a 2020 Audi A6. The vehicle was serviced under NHTSA Campaign Number: 21V295000 (suspension), however after a few months the contact had an issue with the vehicle's rear tires. The vehicle was taken to a tire center where they were unable to replace the rear tires due to seve

    Typically appears around 50K miles. Repair cost ~$500

  • FUEL SYSTEM: While driving on the interstate, I received a warning about an electrical system malfunction. As I neared my home, I received warnings about transmission failure, suspension malfunction, steering malfunction, sensor failure, and more. After a tow to the dealership I was told it is a generator/altern

    Typically appears around 50K miles. Repair cost ~$500

  • General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

Audi A6 ALLROAD — Year Comparison

How does 2020 compare to other years? Fewer complaints = more reliable.

Full years-to-avoid analysis →

NHTSA Safety Rating

No NHTSA safety rating available

At a Glance

Complaints
14
Recalls
0
Fire reports
0
Crash reports
0
Injury reports
2
Segment avg
80

Check a Specific VIN

See recalls for YOUR 2020 Audi A6 ALLROAD