Mobil 1 Extended Performance is a synthetic oil designed to keep your engine running like new even during today's longer service intervals. With Mobil 1 Extended Performance synthetic motor oil, you get proven protection up to 20,000 miles, guaranteed.

20,000 miles Mobil 1 Extended Performance synthetic oil is recommended for oil change intervals up to 20,000 miles or one year, whichever occurs first.

Many of our 0W-20 oils carry the dexos®1 approval* specified for General Motors vehicles. Mobil 1™ ESP X2 0W-20 carries the dexosD™ approval for diesel engines. *The dexos® specification and trademark are exclusive to General Motors, LLC.

Yes. Mobil 1 is fully compatible with conventional motor oils, semi‐synthetic motor oils and other synthetic motor oils, should it be necessary to mix them. But the superior performance of Mobil 1 will be reduced by diluting it.

Mobil 1™ Extended Performance High Mileage motor oils are designed for engines with over 75,000 miles and are recommended by ExxonMobil for all types of modern gasoline-powered vehicles, including high-performance turbocharged, supercharged, multi-valve fuel injected engines found in passenger cars, SUVs, light vans ...

AMSOIL SAE Synthetic Motor Oils and Mobil 1 primarily use group IV basestocks. PAO is a much more expensive basestock than the highly refined petroleum oil basestock of Group III. Group V base oils are also chemically engineered stocks that do not fall into any of the categories previously mentioned.

Certain premium products like Royal Purple API-licensed synthetic engine oils allow motorists to travel as many as 12,000 miles as the recommended oil change interval. Even more amazing, Royal Purple HPS™ synthetic performance upgrade street oils allow up to 15,000 miles in between motor oil changes.

Keeps oil cleaner, longer – 99%+ efficiency*

Mobil 1™ 0W-20 is recommended by ExxonMobil for SAE 0W-20 and 5W-20 applications in all types of modern gasoline-powered vehicles, including high-performance turbocharged, supercharged, multi-valve fuel injected engines found in passenger cars, SUVs, light vans and light trucks.

Because Mobil 1 works much faster, the engine reaches peak operating efficiency much sooner. Mobil 1's robust antioxidant system resists oxidation and oil thickening better than conventional oils, resulting in lower friction and better fuel economy.

High mileage protection for 20,000 miles Mobil 1™ Extended Performance High Mileage is an advanced full synthetic motor oil that protects for 20,000 miles between oil changes2 and is formulated to prevent leaks and damaging deposits. What you're looking for in a motor oil: Designed for engines with over 75,000 miles.

It all depends on how the vehicle has been driven and maintained. Some people might consider switching to a high mileage oil at 200,000 miles, while others may want to change to a high mileage oil at 80,000 miles. For the average driver, anything over 100,000 miles could safely be considered a high mileage vehicle.