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This winter, make the switch to Mobil 1™ Advanced Fuel Economy.

Your engine is vulnerable at start-up – that’s when it really needs the oil to keep flowing. Cold weather can cause engine oil to flow too slowly or not at all, and that can take a toll on your engine. That’s why choosing the right engine oil can make a big difference.

Mobil 1™ Advanced Fuel Economy has been designed to perform in some of the most extreme conditions you can find on earth. Mobil 1™ synthetic engine oil flows at temperatures as low as -40 degrees Celsius, so your car gets the oil it needs immediately at start-up.

Low viscosity engine oil

Engine oil acts as a critical lubricant to your engine, helping to keep it running just like new.

Viscosity measures how much an engine oil can resist flow. If you tip over a bottle of engine oil, how fast it spills out indicates its viscosity: the more viscous, the slower it moves.

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Mobil 1™ Advanced Fuel Economy is a low viscosity engine oil, meaning that it is less thick or viscous at cold temperatures and flows more quickly. And it does this without compromising the protection it offers at warm temperatures. When the temperature rises, it works to limit friction in your engine without getting too thin, which can help improve your fuel economy. A low viscosity engine oil can be identified by the “0” at the front of the viscosity grade.

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When your car sits for a while (let’s say overnight), the oil settles. But when you fire up the ignition, it begins flowing through critical engine parts to protect against friction. A conventional oil can take more time to flow smoothly through the engine. During the cold winter months, or if you live in an extremely cold environment, this flow process can take even longer. Mobil 1™ AFE flows quickly even at freezing temperatures and starts protecting your engine as soon as you start your car.

Make the switch

Switching engine oil can be a daunting task, but there are benefits to making the change.

What’s the real difference between synthetic and conventional oil?
Synthetic and conventional oils both begin in the ground, but that’s where the similarity ends. Synthetic oil is not just refined but distilled, purified and broken down into its basic molecules. This process removes more impurities from the crude oil and enables individual molecules to be tailored to the demands of modern engines. These customized molecules provide higher levels of protection and performance than conventional oils.


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Mobil 1™ Advanced Fuel Economy also helps to protect against wear by lubricating your engine.
Mobil 1™ 0W-20 is recommended by Exxon Mobil for SAE 0W-20 and SAE 5W-20 applications.
Mobil 1™ 0W-30 is recommended by Exxon Mobil for SAE 0W-30, SAE 5W-30 and SAE 10W-30 applications.

Mobil 1™ recommends checking with a certified automotive technician and your manufacturer’s warranty before switching engine oil.

 © 2015 Imperial Oil. Mobil 1 is a trademark or registered trademark of Exxon Mobil Corporation or one of its subsidiaries.