you need to buy six quarts but the oil change uses 5.5 quarts wiith the factory oil filter
which is the only one I recommend.
A 2000 Nissan Frontier 3.3 V6 will need approximately 5.5 quarts of oil for an oil change. The recommended oil is 10 W 30.
3.5 quarts with filter change
9 quarts
The 06 Frontier with the 4.0 v6 holds 5.5 quarts with oil filter change.
With filter change it takes 5.5 qts.
5q
3.75 quarts
3.3-3.50 quarts
4 quarts
12 quarts
2
4 3/4 quarts of 5-30 motor oil . Pure synthetic is recommended . Always change your filter