Prices checked Nov 9, 2026, 2:01 PM ET
Not right now: Pennzoil prices are at their usual levels.

Not right now. Pennzoil prices are at their usual levels: the Pennzoil Platinum Full Synthetic Motor Oil is $47.99 at O'Reilly Auto Parts. Any Pennzoil deal shows here as soon as it starts.
Pennzoil is known for its synthetic motor oils, led by Platinum Full Synthetic, which is formulated from natural gas and marketed for its cleaning and wear protection. Platinum is the flagship line, with Ultra Platinum adding a higher-performance formulation for turbocharged and direct-injection engines. Deal.ai checks every store's price for each Pennzoil product and keeps a price history for each one.
It checks today's price at every store, compares the alternatives and answers in about a minute.