Its making almost like a purring sound
From the engine, transmission, power steering pump, fuel pump, the steering rack, while sitting in park, in gear but stopped or going down the road?
Or is there in fact a cat in the back seat purring loudly?
Looking for a Used Grand Prix in your area?
CarGurus has 2,871 nationwide Grand Prix listings starting at $900.
Search Pontiac Grand Prix Questions
Pontiac Grand Prix Experts
Related Models For Sale