1991 Audi 90
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 1991 Audi 90 is worth — from official NHTSA and EPA data. 18 on record.
1991 Audi 90 at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
1991 Audi 90 recalls 2
VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME AIR BAG SENSORS DO NOT COMPLY WITH AUDI'S DURABILITY STANDARDS OVER THE LIFETIME OF THE VEHICLE.
Fix: DEALERS WILL REPLACE THE AIR BAG SENSOR CONTROL MODULE.
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.
Fix: DRAIN AND REPLACE THE DIFFERENTIAL GEAR OIL WITH OIL HAVING HIGHER PERFORMANCE CHARACTERISTICS.
Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
1991 Audi 90 common problems
The most-reported problem areas across all 3 owner complaints filed with NHTSA — and what to check before you buy.
Dimensions & weight
Manufacturer-reported figures for the 1991 Audi 90 — ranges cover the 3 body / drivetrain versions on record. Source: Transport Canada vehicle specifications via NHTSA.
Investigations & service bulletins
NHTSA defect investigations 2
INADVER.AIR BAG DEPLOYMENT Closed
NHTSA #EA94026 · Air Bags · opened Jul 1994 · closed Jul 1995TRANSMISSION FAILURES Closed
NHTSA #PE92041 · Power Train · opened Apr 1992 · closed Aug 1992An investigation means NHTSA is examining a possible defect — it is not a recall, and many close without one.
Manufacturer service bulletins 8
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered.
This special notice is to inform dealers to return all part numbers listed in the document and order the superseded part numbers going forward.
Bulletin SM 44-2017 EN · Equipment · Jun 2017Due 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 supplie…
Bulletin ATE-17-05 · Equipment · Mar 2017AUDI: 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
Bulletin SB-01-15-29 · Engine · Jul 2015Due to new Minnesota state regulations regarding biofuels, biodiesel blends of B5 or less may not be available in the State of Minnesota.
Bulletin AUD4927ENG · Jul 2014Google Maps Street View (NVLW))
Bulletin Update91i8 · May 2014VOLKSWAGEN: EXHAUST HEAT SHIELD, REPLACEMENT GUIDELINES. HEAT SHIELDS ARE TO BE INSPECTED AFTER COMPLETION O ANY TYPE OF REPAIR TO THE UNDERBODY (EXHAUST SYSTEM TRANSMISSION, ETC.), AND IF DAMAGED, REPLACED. *PE
Bulletin 2015831 · Engine And Engine Cooling, Structure · Aug 2008HEADLIGHT AIMING, USING HELLA UNIVERSAL BEAMSETTER. *KB
Bulletin 20056243 · Exterior Lighting · Feb 2007INFORMATION OBTAINING THE FLUID CAPACITY CHART. *YC
Bulletin 9705169704F · Fuel System, Gasoline · May 1997Source: NHTSA Office of Defects Investigation, listed for the 90. Model-year data, not specific to one car.
Canadian recalls 1
Transport Canada recall campaigns for the 1991 Audi 90. Relevant if the car was first sold in, or imported from, Canada.
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 DIFFERENTIAL. THIS COULD RESULT IN POSSIBLE DRIVE WHEEL LOCK-UP AND LOSS OF VEHICLE CONTROL. CORRECTION: DIFFERENTIAL WILL BE DRAINED AND OIL WILL BE REPLACED WITH AN ADVANCED DESIGN HIGH PERFORMANCE GEAR OIL. OWNERS WILL BE PROVID…
Transport Canada #1993008 · Jan 1993Source: Transport Canada Motor Vehicle Safety Recalls Database.
About the Audi 90
The Audi 80 is a compact executive car produced by the Audi subdivision of the Volkswagen Group across four generations from 1966 to 1996. It shared its platform with the Volkswagen Passat from 1973 to 1986 and was available as a saloon, and estate — the latter marketed by Audi as the Avant. The coupé and convertible models were not badged as members of the range, but used a derivative of the same platforms.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.
1991 Audi 90 vehicles on record
1991 Audi 90WAUZZZ8AZMA181931
1991 Audi 90WAUZZZ8AZMA165205
1991 Audi 90WAUZZZ8AZMA060703
1991 Audi 90WAUZZZ8AZMA001401
1991 Audi 90WAUZZZ8AZMA121385
1991 Audi 90WAUZZZ08442050368
1991 Audi 90WAUZZZ8AZMA036034
1991 Audi 90WAUZZZ8AZMA019760
1991 Audi 90WAUZZZ8AZMA034127
1991 Audi 90WAUZZZ8AZMA180010
1991 Audi 90WAUZZZ8AZMA156292
1991 Audi 90WAUZZZ8AZMA091078
1991 Audi 90WAUZZZ8AZMA018736
1991 Audi 90WAUZZZ8BZMA001403
1991 Audi 90WAUZZZ8AZMA137066
1991 Audi 90WAUZZZ8AZMA211814
1991 Audi 90WAUZZZ8AZMA006161
1991 Audi 90WAUZZZ8AZMA179610