Not only does AMSOIL exceed industry standards and outperform competing brands, it fights viscosity breakdown 46% better than Mobil 1. It's built to stand up to the devastating effects of high-horsepower, modern engines and provide maximum protection.

Yes, it maintains consistent viscosity over a wide range of temperatures. And yes, it neutralizes harmful acids in your engine to protect critical components for the long haul. But, most importantly, Mobil 1™ gives you peace of mind knowing that you have the world's leading synthetic motor oil protecting your engine.

You are right: The formulation and quality level of our motor oils are the same wherever the product name is the same, regardless of the package size in which it is sold.

Synonymous with cutting-edge technology, Mobil 1 has consistently set the benchmark for synthetic engine oils. With a rich history of catering to diverse engines, its formulations provide unparalleled protection and performance, making it a trusted choice for car enthusiasts and professionals alike.

Comparison of the best engine oils for 2022

Our Top Picks for Motor Oil

• Best Oil for Most Cars: Mobil 1 Synthetic Motor Oil.
• Best Synthetic Oil on a Budget: AmazonBasics Full Synthetic Motor Oil.
• Best High-Mileage Oil: Valvoline High Mileage Max Life.
• Best Conventional Oil: Valvoline Daily Protection.

Mobil Super oils provide excellent protection with guarantees from 5,000 miles up to 7,500 miles. For superior protection and performance, Mobil 1 motor oils offer guarantees for 10,000 miles up to 15,000 miles between oil changes.

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.

Mobil 1™ synthetic motor oil is available in more than a dozen formulations, from their Annual Protection blend to Mobil 1™ High Mileage, or Advanced Fuel Economy. And, of course, the original Mobil 1™ advanced full-synthetic blend, which comes in four different grades: 5W-20, 5W-30, 1-W-30, and 15W-50.

8. What's the difference between Mobil 1 and Mobil Super Synthetic? Mobil 1 is part of our ultimate line of advanced full synthetics. It uses the latest in additive and base oil technologies that provide superior protection, and outperforms Mobil Super Synthetic.

Our Top Picks for Motor Oil

• Best Oil for Most Cars: Mobil 1 Synthetic Motor Oil.
• Best Synthetic Oil on a Budget: AmazonBasics Full Synthetic Motor Oil.
• Best High-Mileage Oil: Valvoline High Mileage Max Life.
• Best Conventional Oil: Valvoline Daily Protection.

The oil's performance in industry-standard tests and in the real world is a better indicator of protection than its ingredients. So, when the dust settles on the “full synthetic vs 100% synthetic” debate, you'll realize it's a lot of sound and fury, but it signifies that the two terms refer to the same thing.