1991 Geo Prizm problems & reliability
46 owner complaints filed with NHTSA for the 1991 Geo Prizm. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
2 complaints report injuries (2 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Structure → | 13 | 28% |
| Engine and Engine Cooling → | 10 | 22% |
| Seat Belts | 6 | 13% |
| Electrical System | 5 | 11% |
| Latches/locks/linkages | 4 | 9% |
| Exterior Lighting | 3 | 7% |
| Fuel System, Gasoline | 3 | 7% |
| Tires | 3 | 7% |
| Equipment | 2 | 4% |
| Power Train | 2 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“Tl*the contact owns a 1991 geo prizm. The contact stated that while trying to decelerate, the brake lights failed and were dim. The vehicle was inspected by the dealer who informed the contact that he needed to replace the wiring. The vehicle was repaired for the wiring and the failure continued to occur. The failure…”
Exterior Lighting · filed Dec 13, 2010
“Tl*the contact owns a 1991 geo prizm. The contact stated that the plastic used for door knobs disintegrated and were inoperable for the passenger doors. The gear shift also fractured and was difficult to maneuver. The parts had previously been replaced but the failure continued. The vehicle had not been repaired. The…”
Latches/locks/linkages · filed Nov 17, 2010
“Tl*the contact owns a 1991 geo prizm. The contact stated that while driving at various speeds, carbon monoxide was present because the manifold had been fractured. The vehicle was repaired twice but the failure continued. The failure mileage was approximately 190,000.”
Engine and Engine Cooling · filed Nov 17, 2010
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
1 manufacturer communication (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1991 Geo Prizm.
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
130089009 · Service Bulletin/Repair Instructions · issued Sep 1, 2013
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 1991 Geo Prizm in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1991 Geo Prizm?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.