How much oil do you need to put in a 1986 Pontiac Fiero GT?
The 1986 Pontiac Fiero GT, with its 2.8L V6 engine, requires 4.5 quarts of oil. However, it's always best to check your owner's manual for the most accurate information as slight variations can exist. Remember to check the oil level using the dipstick after adding the oil to ensure you don't overfill.