8.0

pretty bad
Typical Repair Cost:
$150
Average Mileage:
139,500 miles
Total Complaints:
2 complaints

Most common solutions:

  1. had to replace both regulator/motor assemblies (2 reports)
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problem #2

Jun 052015

Grand Prix

  • Automatic transmission
  • 160,000 miles

Not worth fixing or buying another Grand Prix. Problem after problem

- rstudniski, Mars, MN, US

problem #1

Feb 042013

Grand Prix 3.8L V6

  • Automatic transmission
  • 119,000 miles

As described. The rear regulator design is GARBAGE.

- Manny B., Vail, AZ, US