Is the 2020 Audi A6 ALLROAD reliable?

The 2020 Audi A6 ALLROAD has 14 complaints filed with NHTSA (1.0x the segment average). Our reliability verdict: below-average. Most common issue: ELECTRICAL problems.

What are common problems with the 2020 Audi A6 ALLROAD?

Top problems: ELECTRICAL (6 complaints, avg repair $500); TRANSMISSION (2 complaints, avg repair $500); SUSPENSION (1 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2020 Audi A6 ALLROAD?

Yes, there are 4 recall(s): TIRES, AIR BAGS, ELECTRICAL SYSTEM, BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. Contact any Audi dealer to verify if recalls have been completed on your specific vehicle.

How much does it cost to fuel a 2020 Audi A6 ALLROAD?

The 2020 Audi A6 ALLROAD gets 22 MPG combined. At current US average gas prices, driving 12,000 miles per year costs roughly $2182. See the interactive fuel cost calculator on this page for state-specific pricing.

How much does it cost to insure a 2020 Audi A6 ALLROAD?

Estimated US average full-coverage insurance for the 2020 Audi A6 ALLROAD is approximately $1,495/year (wagon class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2020 Audi A6 ALLROAD

Problems, Recalls & Reliability Report

Below Average

Quick Summary

The 2020 Audi A6 ALLROAD has 14 owner complaints filed with NHTSA — that's 1.0x the segment average of 14. 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. There are 4 recalls issued for this model year.

2 injuries

Total Complaints

Recalls Issued

5/5

Safety Stars

1.0x

vs Segment Avg

Known Problems(top 5 of 8)

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

Recalls (4)

TIRES26/01/2022

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.

Fix: 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.

Fuel Cost Calculator for 2020 Audi A6 ALLROAD

Live EIA prices

Annual miles driven: 12,000

Your state (affects local gasoline price)

Per year

$2,182

Per month

$182

Per mile

18.2¢

MPG

City driving (worst-case MPG)

$2,401/yr

Highway driving (best-case MPG)

$1,847/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today

Show:

Current

$4.00

5-year low

$2.78

5-year high

$5.01

Since 2021

+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2020 Audi A6 ALLROAD

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$1,495

Full coverage / month

$125

Liability only / year

$571

vs US avg

-11%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (wagon)0.95x

× theft risk1.00x

× safety rating0.94x

× vehicle age1.00x

= Full coverage estimate$1495

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Audi A6 ALLROAD Service Intervals

Oil change

10K mi / 12 mo

Tire rotation

10K mi

Brake fluid

24 months

Transmission fluid

40K mi

Engine coolant

100K mi

Spark plugs

60K mi

Cabin air filter

20K mi

Engine air filter

40K mi

Differential (AWD/4WD)

40K mi

Long-interval service (LongLife) uses fully-synthetic oil. Some engines have timing belts (check owner's manual).

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Audi New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

4 yr / 50K mi

Powertrain

4 yr / 50K mi

Hybrid/EV battery

8 yr / 100K mi

Corrosion (rust perforation)

12 yr / unlimited mi

Roadside assistance

4 yr / unlimited mi

Corrosion coverage is unlimited miles for 12 years

These are the terms for a new Audi. If you're buying a used 2020 A6 ALLROAD, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Audi dealer for VIN-specific remaining warranty.

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
☐
RECALLS: Verify all 4 recalls have been completed — free at any Audi dealer
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)