42% under what the other stores charge
Compared across 17 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
It checks today's price at every store, compares the alternatives and answers in about a minute.
Mobil 1 Extended Performance High Mileage 5W-30 is a full synthetic motor oil built for older engines, with seal conditioners and extra detergents aimed at slowing oil use and keeping high-mileage internals clean. It carries the longest drain interval Mobil 1 advertises, up to 25,000 miles or one year, and meets ILSAC GF-7 with added protection against low-speed pre-ignition and timing chain wear. It suits drivers of aging engines who want a long-interval synthetic and are willing to follow the severe-service schedule. Against rivals, it leans on the extended interval and high-mileage additives rather than a lower price, and it is one of the most widely trusted synthetics on the shelf.
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Store links may earn us a commission. Some prices via Klarna.
Lowest price we've seen: $7.49 on Nov 12 at NAPA. Tracked across 17 stores since Nov 12.
Rated 4.8 out of 5 across 493 ratings, owners largely report quieter running, less oil consumption and clean internals on high-mileage engines. Complaints are few and mostly about the long interval being unrealistic for hard driving.
Mobil 1 Extended Performance High Mileage is a full synthetic motor oil in a 5W-30 viscosity grade. It is made with Triple Action Formula and is intended for vehicles of all ages. Specialty components in the synthetic oil reduce deposits and sludge buildup to keep critical engine parts clean and protected.
The oil protects for up to 25,000 miles or 1 year between oil changes, whichever comes first. It meets ILSAC GF-7 standards. It provides oxidation control, protection against pre-ignition and timing chain wear, and cold-start and low-temperature performance.
