
2020 Audi A6 ALLROAD
Problems, Recalls & Reliability Report
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.
14
Total Complaints
0
Recalls Issued
—/5
Safety Stars
0.2x
vs Segment Avg
Known Problems
ELECTRICAL
6 complaints- • 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.
“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- • 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.
“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- • 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
“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- • 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
“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- • 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
“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
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