When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
3/4 quart, 4/5 quart, 1 quart. It doesn't really matter. In the end, you put as much oil into the vehicle as it needs to get to the safe zone on the dipstick.
As I agree; in the end you put in a total of 13qts, but it is what the OP asked.