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Other or unknownPart report

2018 Audi A6 Other or unknown Problems

Complaints
2about this part
Share
18%of 11 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the other or unknown of the 2018 Audi A6, 18% of the 11 complaints for this model year. 1 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“February 27, at approximately 1:20am my vehicle caught fire while parked in the driveway after sitting for about 9 hours. The fire originated near the gas tank. The fire department was called, there is a fire report being conducted. Audi was notified.”

NHTSA complaint #11723814, filed 2026-03

“While driving at 60mph on the freeway, the glass sunroof on my 2018 Audi A6 randomly exploded/shattered. Glass shards flew into the cabin. There was no apparent “rock” or outside influence on the glass to cause it to shatter. The remaining glass remnants on the sunroof were angled up as if to suggest an explosion.”

NHTSA complaint #11451978, filed 2022-02

Related service bulletins

Other or unknown: other model years

YearComplaintsShare of year
2021211%
2020519%
20191110%
2018218%
2017210%
201636%
201529%
201437%
2013815%
201223%
201115%
200915%
200712%
200623%
200522%
200323%
200233%
200144%
200064%
199931%
199843%

Other parts of the 2018 Audi A6

Engine
7 complaints
Fuel system
4 complaints
Air bags
1 complaints
Electrical system
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 2018 Audi A6

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology