Problems owners report
Complaints filed with NHTSA about the 1991 Buick Riviera, by the system named in each complaint. One complaint can name several.
- Service brakes, hydraulic3
- Seat belts2
- Parking brake1
- Power train1
- Vehicle speed control1
- Air bags1
- Engine and engine cooling1
- Service brakes, air1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 2 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
In the United Kingdom
0 cars built in 1991 were licensed for the road at the end of 2025, and 2 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 New Zealand
1 1991 cars are on the New Zealand register; 100% arrived as used imports, 0% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Recalls in Canada
1 Transport Canada recall for the 1991 Buick Riviera.
| 1995101 16 Jun 1995 | Seats And Restraints ON CERTAIN TORONADO TROFEO'S THE FRONT OUTER SHOULDER BELT WEB SEW STOP MAY BECOME STUCK IN THE RETRACTOR. THIS COULD MAKE THE BELT DIFFICULT TO PULL OUT OF THE… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
THE FRONT OUTER SHOULDER BELT WEB SEW STOP CAN BECOME STUCK IN THE RETRACTOR. THE BELT CAN BE DIFFICULT TO PULL OUT OF THE RETRACTOR AND SOME OCCUPANTS MAY NOT BE ABLE TO FASTEN THE BELT.
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 Buick told its dealers about the 1991 Buick Riviera: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 51497 | COLD START RATTLE NOISE (DIAGNOSIS/SERVICE PROCEDURE). *TW |
| 50571 | COLD START RATTLE NOISE. *TW |
| 39308 | COLD START RATTLE NOISE. *TW |
| 10246631 | Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules |
NHTSA manufacturer communications (public domain)