Walmart's rollback prices are for five-quart bottles of Mobil 1, whether purchased solo ($24.47, down from $27.47) or in a case of three ($73.38, from $82.38).

When Mobil 1 Annual Protection was released, three big problems became a brutal reality for the marketers at Mobil. 1) Nobody wanted to pay $50 for a 5-quart jug of motor oil.