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Fuel systemPart report

2018 Audi S5 Fuel system Problems

Complaints
1about this part
Share
4%of 26 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 S5, 4% of the 26 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.

“•Parking Brake Issue: The parking brake failed to disengage after stopping, leading to an accident. •Intoxalock Device Malfunction: The Intoxalock device malfunctioned with incessant beeping and intermittent error messages, causing distractions. •Previous Complaints and Lack of Resolution: Previous complaints about the parking brake and Intoxalock device were dismissed without proper investigation or resolution. •Parking Brake Failure: The parking brake failed to hold the car, leading to uncontrollable movement and collision with an obstacle. …”

NHTSA complaint #11621015, filed 2024-10

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
2019117%
201814%
2014233%
2013213%
2010210%

Other parts of the 2018 Audi S5

Engine
9 complaints
Other or unknown
8 complaints
Air bags
3 complaints
Brakes
3 complaints
Visibility (wipers, defrost, mirrors)
3 complaints
Electrical system
2 complaints
Seat belts
2 complaints
Transmission and drivetrain
2 complaints
Electronic stability control
1 complaints
Forward collision avoidance
1 complaints
Lane departure
1 complaints
Seats
1 complaints

← All problems reported for the 2018 Audi S5

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