2018 Audi A5 Fuel system Problems
- Complaints
- 1about this part
- Share
- 3%of 38 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the fuel system of the 2018 Audi A5, 3% of the 38 complaints for this model year.
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.
“Start stop system failure Warning displayed Check engine light Car hesitates IF the start stop happens to decide to function At times it won’t work at all”
NHTSA complaint #11606963, filed 2024-08Related service bulletins
- 11035829Jul 13, 2026This bulletin provides information when DTC B105A1A, B103E25 is stored in 0017; fuel tank level implausible.
- 11035828Jul 2, 2026This bulletin provides information when DTC B105A1A, B103E25 is stored in 0017; fuel tank level implausible.
- 11020367Jun 26, 2025This bulletin provides information when there is corrosion on the exhaust tail pipes.
Fuel system: other model years
Other parts of the 2018 Audi A5
8 complaintsOther or unknown
8 complaintsBrakes
4 complaintsElectrical system
4 complaintsBody and structure
4 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsAir bags
3 complaintsTransmission and drivetrain
3 complaintsSteering
2 complaintsSuspension
2 complaintsEngine cooling
1 complaintsExterior lighting
1 complaints
← All problems reported for the 2018 Audi A5
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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