Verdict · NHTSA data
Limited data — recalls on file
NHTSA has just 15 complaints on file for the 1990 Audi 100 — too few to judge reliability from owner reports alone — but 4 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.
15
NHTSA complaints
4
Recalls
2
Investigations
0
Crash-involved
0
Fires reported
0
Injuries
0
Deaths
—
NCAP overall
| Component | Complaints | Share | vs prior year |
|---|---|---|---|
| Engine | 6 | 40% | new |
| Fuel System | 2 | 13% | new |
| Lighting | 1 | 7% | new |
| Other | 1 | 7% | new |
| Speed Control | 1 | 7% | new |
| Tires & Wheels | 1 | 7% | — flat |
| Brakes | 1 | 7% | new |
| Visibility & Wipers | 1 | 7% | — flat |
| Electrical System | 1 | 7% | new |
4 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.
Defect
VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME AIR BAG SENSORS DO NOT COMPLY WITH AUDI'S DURABILITY STANDARDS OVER THE LIFETIME OF THE VEHICLE.
Consequence
IN THE EVENT THE SENSOR SHOULD MALFUNCTION, THE AIR BAG RESTRAINT SYSTEM CAN INADVERTENTLY DEPLOY. DEPLOYMENT OF THE AIR BAG RESTRAINT SYSTEM WITHOUT WARNING COULD CAUSE A DRIVER TO LOSE VEHICLE CONTROL.
Remedy
DEALERS WILL REPLACE THE AIR BAG SENSOR CONTROL MODULE.
Defect
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.
Consequence
IN THE EVENT OF FAILURE, THE VEHICLE'S DRIVE WHEELS COULDLOSE POWER. IN EXTREME CIRCUMSTANCES, THE FRONT WHEELS LOCK, CAUSING RAPIDDECELERATION RESULTING IN POSSIBLE LOSS OF VEHICLE CONTROL AND AN ACCIDENT.
Remedy
DRAIN AND REPLACE THE DIFFERENTIAL GEAR OIL WITH OIL HAVING HIGHER PERFORMANCE CHARACTERISTICS.
Defect
THE VEHICLE CAPACITY WEIGHT WAS INADVERTENTLY OMITTED FROM PLACARD LOCATED INSIDE THE GAS FILLER DOOR, AS REQUIRED BY FMVSS 11O.
Consequence
VEHICLES FAIL TO MEET THE REQUIREMENTS OF FMVSS 110.
Remedy
NEW LABELS CONTAINING THE VEHICLE CAPACITY WEIGHT WILL BE AFFIXED TO THE VEHICLES.
Defect
INSTRUCTION LABEL IN THE TRUNK OF VEHICLE IS INCORRECT FOR THE JACK SUPPLIED WITH THE VEHICLE.
Consequence
INCORRECT USE CAN RESULT IN THE JACK COLLAPSING, WITHINJURY TO INDIVIDUALS UNDER OR NEAR VEHICLE DURING COLLAPSE.
Remedy
SUPPLY INSERT TO OWNER'S MANUAL NOTING CORRECT USAGE, AS WELL AS A CORRECTED INSTRUCTION LABEL FOR THE TRUNK.
The record is thin — 15 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 4 recalls should be verified as completed.
According to NHTSA complaint data, the leading problem areas are engine (6 complaints), fuel system (2 complaints), brakes (1 complaints).
Yes — NHTSA lists 4 recall campaigns affecting the 1990 Audi 100. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.
NHTSA opened 2 investigations into this model year; all are now closed.
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.