1991 Pontiac Grand Prix Reliability ReportCommon Problems, Repair Costs & Expert Verdict
Should You Buy the 1991 Pontiac Grand Prix?
The 1991 Pontiac Grand Prix represents a quintessential 90s domestic sedan that, while offering a comfortable ride and robust V6 power, demands careful scrutiny and a commitment to maintenance. It's a vehicle from an era where build quality was inconsistent, meaning a meticulously maintained example can offer surprisingly good value, but neglect will quickly lead to escalating repair costs. Approach this era of Grand Prix with a keen eye for its specific weaknesses, and you can secure an affordable classic cruiser.
Biggest Strengths
- Durable 3.1L V6 engine (if maintained)
- Readily available and inexpensive parts
- Comfortable highway cruising capabilities
Top Risk Areas
The systems that break first on the 1991 Pontiac Grand Prix. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.
NHTSA Recalls
6 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
FUEL SYSTEM, GASOLINE
CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LISTED ABOVE AND ON CERTAIN SCHOOL BUSES. (TO SEE THE SCHOOL BUS ENGINE SIZES, CLICK ON "DOCUMENT SEARCH" AND THEN "BUS APPLICATIONS"). THE CONNECTOR ON THE FUEL FILTER WAS NOT MANUFACTURED TO HONEYWELL'S SPECIFICATION. AS A RESULT, THE O-RING MAY NOT SEAT CORRECTLY ON THE FUEL LINE.
FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES
CERTAIN DELPHI FUEL PRESSURE REGULATORS, P/NOS. FP10020-11B1, FP10026-11B1, AND FP10027-11B1, SOLD AFTER JANUARY 9, 2007, AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES LISTED ABOVE. THE UNIVERSAL PRESSURE REGULATORS (UPR) WERE PRODUCED WITHOUT AN O'RING AND RETAINER.
What breaks on the 1991 Pontiac Grand Prix?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Pontiac Grand Prix by Year
Compare reliability scores across nearby years of the Pontiac Grand Prix. Click any year for its full report.
If You're Considering This, Also Look At
Similar class, similar year range — ranked by reliability score.
Relevant Products for Your 1991 Pontiac Grand Prix
Parts and accessories matched to your 1991 Pontiac Grand Prix
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Frequently Asked Questions
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