2018 Audi S5: owner complaints and recalls

Analysis of 26 owner complaints filed with NHTSA and 2 recall campaigns. Updated 2026-07-25.

26
Complaints
2
Recalls
2
Crash reports
0
Fire reports
1
Injuries
61.5
Severity index

Severity index 61.5 - Medium. This weights crashes, fires, injuries and fatalities per 100 complaints; see methodology.

What actually fails

ComponentComplaintsShare of complaints citing it
ENGINE934.6%
UNKNOWN OR OTHER830.8%
AIR BAGS311.5%
VISIBILITY/WIPER311.5%
SEAT BELTS27.7%
PARKING BRAKE27.7%
POWER TRAIN27.7%
ELECTRICAL SYSTEM27.7%

The single most-reported system is ENGINE, cited in 9 of 26 complaints (34.6%). One complaint can name several systems, so these shares overlap and do not total 100%.

Complaints filed per year

2018: 52019: 52020: 12022: 22023: 42024: 32025: 618192022232425
YearComplaints
20185
20195
20201
20222
20234
20243
20256
Complaint volume is rising - the last three years carry 1.6x the filings of the three before them, which usually signals a wear-related defect surfacing with age.

Recall campaigns

CampaignReportedComponentSummary
19V54700024/07/2019AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULEVolkswagen Group of America, Inc. (Audi) is recalling certain 2018-2019 Audi RS5 Sportback, 2018 S5 Cabriolet, S5 Sportback, S5 Coupe, S4 Sedan, A5 Cabriolet, A5 Sportback, A5 Coupe, and 2017-2018 A4 Sedan and A4 Allroad vehicles. Oxidation on the Passenger Occupant Detection Sy
21V87400010/11/2021SEATSVolkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat
Source. US National Highway Traffic Safety Administration public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports; volume is influenced by how many units were sold and how long the vehicle has been on the road. Not affiliated with NHTSA or any manufacturer.