2018 Audi A3 Cabriolet problems, complaints & recalls
Updated from NHTSA data · How we count
Owners have filed 6 complaints with NHTSA about the 2018 Audi A3 Cabriolet, most often about airbags. There are 5 recalls for this model year.
- Complaints
- 6
- Recalls
- 5
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Median mileage
- 61,000 mi at time of problem
Key facts
- Airbags is the most-reported problem area, named in 4 of 6 complaints (67%).
- Fuel, Hybrid & EV Propulsion (1) and electrical system (1) follow.
- Half of the complaints that list mileage happened before 61,000 mi.
- The 2018 Audi A3 Cabriolet has 5 recalls on file.
- NHTSA has opened 1 defect investigation covering this vehicle.
- It ranks 4th of 5 Audi A3 Cabriolet model years by our severity-weighted complaint score (1st = worst).
- That is 62% fewer complaints than the 2017 model year (16).
2018 Audi A3 Cabriolet problems by category
- Airbags4 complaints
- Fuel, Hybrid & EV Propulsion1 complaints
- Electrical System1 complaints
A complaint can mention more than one problem area, so categories add up to more than the total.
Most-reported components
| Component (as filed with NHTSA) | Complaints |
|---|---|
| Air bags | 4 |
| Electrical system | 1 |
| Fuel system, gasoline | 1 |
When problems happen (mileage)
2018 Audi A3 Cabriolet recalls (5)
- AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION
Volkswagen Group of America, Inc. (Audi) is recalling certain 2015-2016 Audi S3 Sedan, 2015-2019 A3 Sedan and A3 Cabriolet, 2016-2018 A3 e-tron, and 2017-2019 RS3 vehicles. An improper electrical contact may cause the Passenger Occupant Detection System (PODS) to falsely detect a malfunction and deactivate the passenger air bag.
Risk: A deactivated passenger air bag increases the risk of injury during a crash.
Remedy: Audi will notify owners, and dealers will replace the connector and reroute the cable, free of charge. The recall began September 12, 2019. Owners may contact Volkswagen customer service at 1-800-253-2834. Audi's number for this recall is 69Z4.
- SEATS:MID/REAR ASSEMBLY
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2018 Audi A3 sedan and RS3 vehicles. The latching pins for the center rear seat head restraint may be missing.
Risk: In the event of a crash, the head restraint may detach and cause injury to the vehicle occupants.
Remedy: Audi has notified owners, and dealers will inspect the head restraints, replacing any that are missing pins, free of charge. The recall began on March 7, 2019. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 72I8.
- FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2018 Audi TT Roadster, TT Coupe, A3 Sedan and A3 Cabriolet vehicles. The fuel hose quick connector may detach from the fuel supply line in the engine bay, resulting in a fuel leak.
Risk: A fuel leak in the engine compartment can increase the risk of a fire.
Remedy: Volkswagen will notify owners, and dealers will secure the fuel line connection, as necessary, free of charge. The recall began January 11, 2019. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 20BK.
- SEATS:MID/REAR ASSEMBLY
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2018 Volkswagen e-Golf and Golf R vehicles, and Audi A3 Sedan and RS3 vehicles. The rear seat frame head restraint guide sleeves may be incorrectly welded to the seat frame.
Risk: If the guide sleeves are incorrectly welded, in the event of a crash, the rear seat head restraints may have reduced stability, increasing the risk of injury.
Remedy: Volkswagen and Audi will notify their owners, and dealers will inspect the guide sleeves for incorrect welds, replacing the rear seat frame, as necessary, free of charge. The recall began December 28, 2018. Owners may contact Volkswagen customer service at 1-800-893-5298 or Audi customer service at 1-800-253-2834. Volkswagen's numbers for this recall are 72H8 (VW) and 72H9(Audi).
- ENGINE AND ENGINE COOLING:ENGINE
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2017-2018 Audi A3 Cabriolet and A3 Sedan vehicles. The Engine Control Unit (ECU) software may misinterpret the flywheel rotation on engine start-up as a "knocking" condition, and the adjusted air/fuel mixture may result in an engine stall.
Risk: An engine stall can increase the risk of a crash.
Remedy: Audi will notify owners, and dealers will reprogram the ECU software, free of charge. The recall began September 19, 2017. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 24DF.
NHTSA defect investigations
Fuel Leak due to Suction Jet Pump Failure within Fuel Tank (Remedy Effectiveness of Recall 16V647)
On December 12, 2023, the Office of Defects Investigations (ODI) opened RQ23-007 to investigate the remedy repair effectiveness and scope of Volkswagen (VW) recall 16V-647. Recall 16V-647 was issued on September 2, 2016, for a defective suction jet pump (SJP) inside the fuel tank. Failure of the SJP could lead to a fuel leak from the vehicle. This recall covered certain model year (MY) 2015-2016 Volkswagen Golf and Audi A3 passenger car vehicles. The recall remedy repair replaced SJP Version 1.0 with an improved version, Version 1.1. The SJP is designed to purge fuel from the evaporative emiss…
Recent 2018 Audi A3 Cabriolet complaints
Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.
- Filed Apr 15, 202462,000 miFLTowedFuel, Hybrid & EV Propulsion
The contact owns a 2018 Audi A3. The contact stated after parking the vehicle, a bystander alerted the contact that there was fuel leaking from the rear passenger's side near the fuel tank. The contact drove the vehicle to a gas station and was unable to refuel the vehicle. The check engine warning light was illuminated. The vehicle was towed to the dealer, where the charcoal canister was replaced; however, the failure recurred. The vehicle was towed back to the dealer,…
NHTSA complaint #11583078 · source - Filed Nov 15, 202360,000 miFLElectrical System
The contact owns a 2018 Audi A3. The contact stated while driving in a parking lot, the vehicle stalled. The contact stated that the battery was drained, and the vehicle failed to restart. The contact jumpstarted the vehicle. The battery was replaced. Several unknown warning lights were illuminated. The vehicle was taken to the local dealer, where it was diagnosed that the alternator needed to be replaced. The dealer informed the contact that the part was on backorder. The…
NHTSA complaint #11555311 · source - Filed Jun 30, 2022CAAirbags
The contact owns a 2018 Audi A3. The contact received notification of NHTSA Campaign Number: 21V198000 (Air Bags) however, the part to do the recall repair was unavailable. The local dealer was contacted and confirmed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
NHTSA complaint #11471685 · source - Filed Nov 16, 2021UTAirbags
The contact owns a 2018 Audi A3. The contact received notification of NHTSA Campaign Number: 21V198000 (Air Bags) however, the part to do the recall repair was unavailable. The contact took the vehicle to the local dealer and it was confirmed that the part was not available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN…
NHTSA complaint #11440693 · source - Filed Nov 16, 2021CAAirbags
The contact owns a 2018 Audi A3. The contact received a recall notification for NHTSA Campaign Number: 21V198000 (Air Bags) however, the dealer informed the contact that the parts for the recall repair were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not notified of the issue. The contact had not experienced a failure. VIN tool confirms parts are not available.
NHTSA complaint #11440624 · source - Filed Jul 1, 2021TXAirbags
The contact owns a 2018 Audi A3. The contact received notification of NHTSA Campaign Number: 21V198000 (Air Bags) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer and manufacturer were made aware of the issue and informed the contact that the remedy was not available. The contact had not experienced a failure. VIN tool confirms parts not…
NHTSA complaint #11423157 · source
Compare the 2018 Audi A3 Cabriolet with another vehicle →
Other 2018 Audi models
Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 11, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology