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

The 2020 Audi A6 has a 'Below Average' reliability rating, primarily due to multiple critical recalls affecting airbags and brakes.

How many recalls does the 2020 Audi A6 have?

The 2020 Audi A6 currently has 15 recalls on file. Review the full recall report to see affected components and available remedies.

Is the 2020 Audi A6 a good buy used?

Verdict: Proceed with caution. The 2020 Audi A6 has a 'Below Average' reliability rating, primarily due to multiple critical recalls affecting airbags and brakes. Verify that all 15 recalls, especially those for passenger side airbag deployment and rear axle lock nuts, have been professionally completed. Despite zero consumer complaints logged, the high number of Technical Service Bulletins (TSBs) indicates potential for numerous minor issues or software updates. The 3.0L V6 engine delivers strong performance with 335 horsepower and 369 lb-ft of torque, paired with a capable All-Wheel Drive system. Expect combined fuel economy of 22 MPG, which is average for its class but may contribute to higher fuel costs. Always verify service history, open recalls, and maintenance records before purchasing.

What maintenance costs should I expect for the 2020 Audi A6?

Refer to the maintenance cost guide for interval schedules, DIY difficulty ratings, and typical repair cost ranges for the 2020 Audi A6.

2020 Audi A6 Report

Known issues, recalls, running costs, and what to check before you buy.

Updated Jun 2, 2026Ryan Davis7 Critical Recalls

Overall Score

Our Verdict

Proceed with caution

Key Takeaways

The 2020 Audi A6 has a 'Below Average' reliability rating, primarily due to multiple critical recalls affecting airbags and brakes.
Verify that all 15 recalls, especially those for passenger side airbag deployment and rear axle lock nuts, have been professionally completed.
Despite zero consumer complaints logged, the high number of Technical Service Bulletins (TSBs) indicates potential for numerous minor issues or software updates.
The 3.0L V6 engine delivers strong performance with 335 horsepower and 369 lb-ft of torque, paired with a capable All-Wheel Drive system.

See the 5 checks before you buyFree • Takes 20s • Saves Thousands $

Overview

2020 Audi A6

The 2020 Audi A6 offers a blend of sophisticated design, potent performance, and advanced technology, characteristic of the brand's luxury sedan offerings. Powered by a 3.0-liter V6 engine producing 335 horsepower and paired with a smooth 7-speed automatic transmission and all-wheel drive, it delivers confident acceleration and handling. While its NHTSA safety ratings are excellent, with an overall score of 5, the vehicle is impacted by a significant number of recalls, particularly concerning airbags and suspension components. This, combined with a high TSB count, suggests a complex vehicle that requires diligent inspection and maintenance for used car buyers.

Critical Failure Risk

Issues related to the vehicle's complex electrical system, including gateway control module problems and starter generator moisture ingress, can lead to various malfunctions.

Early detection can help you avoid a $500-$2,000 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls15

Service Bulletins0

Full Recall History →

Owner Complaints

No primary complaint themes found.

Detailed Issue Breakdown →

Performance & Efficiency

Horsepower: 335HP
Torque: 369 lb–ftLB-FT

Fuel Efficiency

Combined

MPG

City

MPG

Highway

MPG

Full Vehicle Specifications ↓

Reliability

Practicality

The score is mainly limited by high fuel consumption.

Buyer Fit

Who This Car Is For

Best for

Buyers prioritizing luxury features, advanced technology, and strong performance over long-term, worry-free reliability.

+2 more buyer-fit notes in the full report

Avoid if

Buyers seeking a completely trouble-free ownership experience with minimal unexpected repair bills.

+2 more buyer-fit warnings in the full report

2020 Audi A6 Reliability Analysis

Specs

Vehicle Specs

Fuel Type: Premium
Seating Capacity: 5
Horsepower: 335 hp
Torque: 369 lb-ft
Transmission: Automatic (AM-S7)
Drivetrain: AWD/All-Wheel Drive
Body Style: Sedan
MSRP Range: $54,900 - $69,700
EPA Combined MPG: 22

CarFocal account required

See the full 2020 Audi A6 buyer report before you decide

Unlock the complete checklist, maintenance outlook, and buyer verdict in one place.

Most Common Issues

1. Electrical System Malfunctions

Most reported

Usage data observed

2. Suspension and Axle Concerns

Usage data observed

See all common issues in the maintenance guide

First Service Interval

- Oil Change (5W-40 Synthetic) (Parts: 5W-40 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection

Est. shop cost: $150 - $250

10,000 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist

Complete maintenance schedule (6 service intervals)

Repair forecasts with mileage and cost context

Full buyer-fit guidance and who should avoid it

Full specs and trim-level context

15 recall campaign details & remedy notes

Create free account

Free • Takes 20 seconds • Saves Thousands $

Already have an account? Log in

FAQ

Is the 2020 Audi A6 reliable?

The CarFocal Reliability Score for the 2020 Audi A6 is 7.2/10. Reliability score is 7.2/10. NHTSA recalls: 15. Owner complaints: 0.

How practical is the 2020 Audi A6 for daily use?

Practicality score is 4.9/10. The score is mainly limited by high fuel consumption. EPA combined economy is 22 MPG. Seating capacity is 5. 4 passenger doors are listed. Boot capacity is 388 litres.

What is the overall score for the 2020 Audi A6?

The CarFocal Overall Score for the 2020 Audi A6 is 7.1/10. Overall score is 7.1/10 (Good). Confidence 85%. Maintenance 8.4/10. Practicality 4.9/10.

What does it cost to own and maintain a 2020 Audi A6?

Based on Carfocal's data, First listed service: - Oil Change (5W-40 Synthetic) (Parts: 5W-40 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection at 10,000 miles. Estimated first-year maintenance: $500 - $1,000. Repair prediction highlight: Electrical System (typical at 60,000 miles, estimated cost Min: $500 • Max: $2,500).

What is the MSRP range for the 2020 Audi A6?

MSRP range is $54,900 - $69,700.

What engine is in the 2020 Audi A6?

Engine specs list V6 • 6 • 3.0. Output is 335 hp • 369 lb-ft.

What transmission does the 2020 Audi A6 use?

According to CarFocal's specs for the 2020 Audi A6, transmission is Automatic (AM-S7). The paired drivetrain is AWD/All-Wheel Drive.

Does the 2020 A6 require Premium gas?

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2020 Audi A6?

EPA combined estimate is 22 MPG.

What driver assistance and safety features are available on the 2020 Audi A6?

11 standard and 2 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

What is the fuel economy range for the 2020 Audi A6?

According to CarFocal's specs for the 2020 Audi A6, fuel economy range is 22-29 mpg combined.

How many people fit in a 2020 Audi A6?

According to CarFocal's specs for the 2020 Audi A6, seating capacity is 5.

What body style is the 2020 Audi A6?

According to CarFocal's specs for the 2020 Audi A6, body style is sedan.

What drivetrain does the 2020 Audi A6 use?

According to CarFocal's specs for the 2020 Audi A6, drivetrain is AWD/All-Wheel Drive. Transmission is Automatic (AM-S7).

What are the NHTSA safety ratings for the 2020 Audi A6?

NHTSA ratings: Overall 5/5 • Frontal 4/5 • Side 5/5 • Rollover 5/5.

Are there open safety recalls on the 2020 Audi A6?

This model year has 15 official safety campaigns listed.

Should buyers consider alternatives to the 2020 Audi A6?

Alternatives listed in this guide: 2020 Mercedes-Benz E-Class and 2020 Lexus ES.