Originally Posted by spiGini

The reason why conventional oil is so cheap to do is because shops buy it in bulk so they get a greater discount from the distributor. synthetic on the other hand you have to buy case by case just like you would at autozone or where ever else. they still receive a discount for buying it from the distributor but it isn't as big of a discount as if they ordered 100 gallons of conventional oil. plus they have to put a markup on the oil so they can still make money causing the price to be higher. $90 for only 5 qts is def high no matter what but at my shop for 5qts synthetic mobil 1 and oil filter is about $60+tax . 7 qts about 85+ tax so its all depending on how many qts it takes. again $90 for 5 qts is ridiculous and i would def get it done someplace else if he can't do it himself