2018 Audi S3: common problems and reliability

The 2018 Audi S3 has 5 owner-filed NHTSA complaints and 1 recall on record. The most-reported areas are fuel/propulsion system and power train. Owners most often flag high maintenance and repair costs: very frequent mentions of expensive routine services (e.g., $750 usd for 20k/40k mile service) and costly repairs for common failures.

Safety record for the 2018 model year

5
Owner complaints
1
Recalls
0
Crash reports
0
Fire reports

Source: NHTSA complaints and recalls filed for 2018 Audi S3 vehicles (US, public record).

Is 2018 a good year for the S3?

Across the 4 S3 model years we track, complaint volume runs from 1 (2020) to 14 (2016). With 5 complaints, the 2018 S3 sits about the same asthe model's median of 5.

These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.

Where owners report problems

fuel/propulsion system
2
power train
2
air bags
1
visibility/wiper
1

Recalls affecting the 2018 S3

air bags:sensor:occupant classification:front passenger

Campaign 21V198000

Volkswagen Group of America, Inc. (Audi) is recalling certain 2015-2020 Audi S3 Sedan, A3 Sedan, 2016-2018 A3 Etron, 2017-2020 RS3 Sedan, and 2015-2019 A3 Cabriolet vehicles. The passenger occupant detection system (PODS

What owners say across generations

Overall sentiment is positive, with the S3 consistently praised as an excellent all-around daily driver that blends performance, luxury, and practicality.

  • High maintenance and repair costs: very frequent mentions of expensive routine services (e.g., $750 USD for 20k/40k mile service) and costly repairs for common failures.
  • Thermostat/Water Pump failure: a very common point of failure mentioned across multiple model years, often covered under warranty but expensive if not.

Owner insights cover all generations of the S3. See the full S3 owner picture and every model year.

Typical used price

Used S3 listings typically run $34,999–$52,893 across 2015 to 2026 model years.

Other S3 model years

Compare every S3 year side by side to see how 2018 ranks against the rest.

Compare the S3 against its rivals