1991 Buick Riviera: Recalls, Problems & MPG
Here are the deets on the 1991 Buick Riviera: 1 recall, 8 owner complaints and up to 19 mpg combined.

Recalls
1 vehicle recall from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Seat belts Vehicle recall #95V110000 · 1995 · 113,343 vehicles
What's wrong: 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.
Why it matters: This condition can prevent a person from using their restraint system resulting in an increased risk of injury in an accident.
The fix: Dealer will install a webbing stop button if the customer requests repair.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 2 injuries and 0 deaths were reported.
What owners describe
- Brakes (hydraulic) (3): no single recurring theme in the descriptions.
- Seat belts (2): no single recurring theme in the descriptions.
- Parking brake (1): no single recurring theme in the descriptions.
- Airbags (1): no single recurring theme in the descriptions.
The 1991 Buick Riviera has 8 owner complaints, ranking #7 of 9 Riviera model years for complaints (well below the 33 average). Complaints peaked in 1995 (2 filed that year). The typical problem showed up when the car was about 6 years old, at a median of 200,000 miles. Neighboring years: 1990 (16 complaints, 4 recalls), 1992 (12 complaints, 2 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.8 L 6-cyl | Automatic 4-spd | Front-Wheel Drive | 16 | 24 | 19 | Regular |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 1991 Buick Riviera.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
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FAQ
Does the 1991 Buick Riviera have any recalls?
Yes. NHTSA lists 1 vehicle recall for the 1991 Buick Riviera. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 1991 Buick Riviera problems?
Owners have filed 8 complaints with NHTSA. The most-reported areas are brakes (hydraulic) (3), seat belts (2), parking brake (1).
What gas mileage does the 1991 Buick Riviera get?
EPA ratings run up to 19 mpg combined (3.8 L, Automatic 4-spd), across 1 engine and transmission combos.
Where can I get a 1991 Buick Riviera repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.