Problems owners report
Complaints filed with NHTSA about the 1991 Audi 100, by the system named in each complaint. One complaint can name several.
- Vehicle speed control4
- Power train2
- Service brakes, hydraulic1
- Air bags1
- Electrical system1
- Equipment1
- Fuel system, gasoline1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 1 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
In the United Kingdom
15 cars built in 1991 were licensed for the road at the end of 2025, and 69 more were declared off the road (SORN).
Department for Transport and DVLA, vehicle licensing statistics (table VEH0124, year of manufacture) · Open Government Licence v3.0
In Finland
24 of these cars first registered in 1991 were in use in Finland on 30 Jun 2026, with an average of 354,000 km on the odometer at their last inspection.
Traficom (Finnish Transport and Communications Agency), open data on vehicles in use · CC BY 4.0
In New Zealand
8 1991 cars are on the New Zealand register; 75% arrived as used imports, 13% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Recalls in Canada
3 Transport Canada recalls for the 1991 Audi 100.
| 2001244 10 Oct 2001 | Electrical Certain passenger vehicles. An electrolytic capacitor contained in the amplifier for each rear speaker could leak an electrolyte, which may in time and in the … |
| 1997175 10 Oct 1997 | Seats And Restraints THE AIR BAG SENSOR ON THESE VEHICLES MAY MALFUNCTION AND CAUSE THE AIR BAG RESTRAINT SYSTEM TO DEPLOY WITHOUT AN IMPACT OR ACCIDENT. DEPLOYMENT OF THE AIR BAG R… |
| 1993008 22 Jan 1993 | Powertrain ON VEHICLES WITH AUTOMATIC TRANSMISSION, A LOW OIL LEVEL IN THE DIFFERENTIAL COULD CAUSE PREMATURE BEARING AND GEAR WEAR AND EVENTUAL FAILURE OF THE DIFFERENT… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
VEHICLE DESCRIPTION: PASSENGER VEHICLES. AN ELECTROLYTIC CAPACITOR CONTAINED IN THE AMPLIFIER FOR EACH REAR SPEAKER COULD LEAK AN ELECTROLYTE, WHICH MAY IN TIME AND IN THE PRESENCE OF HUMIDITY, CAUSE AN UNWANTED CONDUCTIVE PATH.
VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME AIR BAG SENSORS DO NOT COMPLY WITH AUDI'S DURABILITY STANDARDS OVER THE LIFETIME OF THE VEHICLE.
THE DIFFERENTIAL OIL OF THE TRANSAXLE IS LOST OVER TIME DUE TO EVAPORATION. LOW OIL LEVELS CAUSE PREMATURE BEARING AND GEAR WEAR AND EVENTUAL FAILURE OF THE DIFFERENTIAL.
INSTRUCTION LABEL IN THE TRUNK OF VEHICLE IS INCORRECT FOR THE JACK SUPPLIED WITH THE VEHICLE.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Audi told its dealers about the 1991 Audi 100: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 10249085 | Google Maps Street View (NVLW)) |
| 10249054 | Due to new Minnesota state regulations regarding biofuels, biodiesel blends of B5 or less may not be available in the State of Minnesota. |
| 10155644 | This special notice is to inform dealers to return all part numbers listed in the document and order the superseded part numbers going forward. |
| 10128222 | Due to increasing requests for high voltage personal protective equipment (HVE PPE) for dealer technicians working with high voltage vehicles (Hybrid, Plugin Hybrid, Electric Vehicle), the Volkswagen Tools and Equipment Team has identified two US based suppliers to support dealers in USA and Canada. |
| 10058584 | AUDI: ENGINE, ON SOME VEHICLES, WOULD RUN IRREGULARLY OR HAVE MALFUNCTION INDICATOR LAMP (MIL) ON OR POSSIBLE FILTER ELEMENT FOR CAMSHAFT ADJUSTMENT VALVE CAN LOOSEN AND IN OIL CIRCUIT, THERE IS NO DAMAGE FROM LOOSENED PARTICLES. MODEL ALL. ALL YEARS. *PE |
| 10022141 | HEADLIGHT AIMING, USING HELLA UNIVERSAL BEAMSETTER. *KB |
NHTSA manufacturer communications (public domain)
NHTSA investigations
INADVER.AIR BAG DEPLOYMENT
NHTSA Office of Defects Investigation