2018 Audi S3: recalls, fuel economy and safety ratings
EPA rates the 2018 Audi S3 at 25 mpg combined across 1 version. NHTSA lists 1 safety recall and 5 owner complaints for this model year. Its best NHTSA overall crash-test rating is 5 out of 5 stars.
Safety recalls
1
EPA combined mpg
25
NHTSA overall rating
5/5
Recall file dated Oct 28, 2026 · EPA file dated Sep 29, 2026 · updated Oct 28, 2026, 7:36 AM EDT
Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Audi dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.
2018 Audi S3 recalls
NHTSA's recall file lists 1 safety recall for the 2018 Audi S3, newest first.
Air bags: Sensor: Occupant classification: Front passenger and 1 more component
NHTSA 21V198000Reported Mar 22, 2021
Filed by
Volkswagen Group of America, Inc. (manufacturer recall no. 69BY)
Components
Air bags: Sensor: Occupant classification: Front passenger; Air bags: On-off switch assembly
Units affected
153,152 (estimate)
Problem
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) may malfunction and switch off the passenger air bag even when the seat is occupied.
Risk
A deactivated passenger air bag increases the risk of injury during a crash.
Remedy
Dealers will replace the PODS sensor mat and update the PODS control module, free of charge. Owners letters were mailed December 23, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 69BY.
Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.
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2018 Audi S3 fuel economy by version
EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.
Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.
EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.
2018 Audi S3 crash-test ratings
NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.
2018 Audi S3 NHTSA 5-Star Safety Ratings
Tested vehicle
Overall
Frontal
Side
Rollover
Rollover risk
Forward collision warning
2018 Audi S3 4 DR AWD
5 stars
4 stars
5 stars
4 stars
10.9%
Standard
Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.
Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.
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2018 Audi S3 owner complaints
Owners have filed 5 complaints with NHTSA about the 2018 Audi S3, most recently on Oct 25, 2024. 0 mention a crash, 0 a fire, 0 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.
Most-cited components in 2018 Audi S3 complaints
Component named in complaints
Mentions
Fuel/propulsion system
2
Power train
2
Air bags
1
Unknown or other
1
Visibility/wiper
1
Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.
