Four cylinder needs five quarts, six cylinder needs six quarts
5.8 quarts
Four cylinder needs five quarts, six cylinder needs six quarts
A 1991 Jeep Wrangler six cylinder holds six quarts of 10W30.
It should take 5 quarts including filter.
4 cylinder uses 5 quarts 10w30 6 cylinder uses 6 quarts 10w30
5 quarts
5 quarts WITH FILTER CHANGE
4.5 quarts
So what is the question about your 1991 Wrangler horn?
4.5 quarts without oil filter change, 4.75 quarts with oil filter change.
4.5 Quarts with filter change.
5 quarts of oil. ( with filter change )