2000 Nissan Frontier owner's manual, page 10-2 says, for drain/refill:
KA24DE, 4x2: w/ filter: 3 3/4 qt; w/o filter: 3 1/2 qt
KA24DE, 4x4: w/ filter: 4 1/8 qt; w/o filter: 3 7/8 qt
VG33E, w/ filter: 3 1/2 qt; w/o filter: 3 1/8 qt
Above units are all US measure.
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.
4 quarts
4 1/8 quarts for 4x4 model with oil filter.
5 3/8 quarts
If the 2000 Nissan Frontier has fewer miles on it, it is recommended that the oil weight should be 5w30. If the car is more miles on it, the recommended oil weight should be 10w30.
3.3liter or 3.48 qt engine oil
how much oil do i need and what kind
12 quarts 15w40
If the oil is significantly above "max" on the dipstick then you need to drain some off via the sump drain.
what kind of oil does my jeep cherokee 2000 need?
Every person will have a different answer but if you are going to use a conventional oil i prefer Valvoline.
7 and 1/2 quarts