Originally Posted By: TXCarGeek
I can't contribute much from a technical standpoint, but my local Walmart has Quaker State Ultimate Durability priced at $20 for the 5 quart jug. Seriously cheap.
And seriously cheaper after applying the $7 mfg rebate that runs all year.
Or about the same as Mobil 1 Extended Performance at a little over $20 for 10 qt after the $24 Rebate.