Probably 4.5 qts. Drain the oil, change the filter, pour in 4 qts, and start the engine. Let run for 45 seconds and shut down. Wait 45 minutes and check the level. Add until full, and you now know the proper amount.
All Pontiac Grand Prix GTs and GTPs 1997-2003 hold 4.5 quarts of oil in the engine oil sump. Hope this helps!
How many quarts of oil does my 07 Pontiac G6 hold
4.5 Quarts of oil
When changing fluids in a car, it is important to know the fluid capacity of the car. A 1999 Pontiac Grand AM holds about 5 quarts of transmission fluid.
4 cylinder: 4.25qts 6 cylinder: 4.5qts
according to the manual it holds 16 gallons
5
4 quarts
4 quarts.
The 2002 Pontiac Grand Prix with the 3800 Series II engine and the 4T65E 4-speed automatic has a transmission a service fill of 13,4-quarts if completely purged and flushed. 3100 equipped cars also have the same total fill.
6 quarts
5 with a new filter.