Why

AMSOIL has earned a reputation as a leader in synthetic lubrication, offering unmatched quality, protection, and performance. Here’s why it continues to outperform other motor oil brands:

1. Premium Synthetic Base Oils

AMSOIL is built on 100% synthetic base oils, with no conventional blends. This ensures superior stability and performance under extreme conditions. Unlike many competitors, AMSOIL often relies on severe-duty base stocks, engineered for consistent protection at both high and low temperatures.

2. Extended Oil Change Intervals

Known as a pioneer in extended drain technology, AMSOIL offers products rated for up to 25,000 miles between oil changes (depending on driving conditions). This means:

Fewer oil changes

Lower maintenance costs

Less waste and environmental impact

3. Unmatched Wear Protection

AMSOIL formulations are designed to minimize engine wear by reducing friction and preventing metal-to-metal contact. They excel under high RPMs, heavy loads, and extreme heat. Even during startup—when most engine damage occurs—AMSOIL provides critical protection.

4. Advanced Additive Systems

Each AMSOIL product includes a premium blend of detergents, dispersants, and antioxidants to:

Keep engines clean

Prevent sludge and deposit buildup

Deliver long-lasting performance

While other brands use additives, AMSOIL consistently applies higher concentrations tailored for extended service life.

5. High-Temperature Stability

AMSOIL retains its viscosity and strength under intense heat and stress. This gives engines reliable protection in:

Towing and hauling

High-performance driving

Racing applications

Hot climates

6. Fuel Efficiency Advantages

Thanks to low-friction properties, AMSOIL helps improve fuel economy by reducing drag inside the engine. The result: more miles per gallon without sacrificing protection.

7. Innovation Backed by Research

AMSOIL invests heavily in research and development, keeping its products at the cutting edge of performance technology. That’s why it’s a trusted choice for enthusiasts, racers, and anyone demanding top-tier lubrication.

8. Proven History & Reputation

In 1972, AMSOIL introduced the first synthetic motor oil for consumer use. For over 50 years, it has maintained its reputation among performance drivers, heavy-duty operators, and automotive professionals as a name you can trust.

9. Wide Product Range

From daily drivers to heavy-duty trucks, high-performance cars, motorcycles, and off-road equipment, AMSOIL offers a comprehensive product lineup tailored to the unique needs of every engine.

10. Customer Support & Warranty

AMSOIL is committed to customer satisfaction, offering:

Direct-to-consumer convenience

Expert technical support

A comprehensive product warranty

The Bottom Line

When it comes to long-term performance, superior protection, and extended service life, AMSOIL stands out as the ultimate choice. That’s why it’s trusted by enthusiasts, professionals, and anyone who pushes their vehicles to the limit.

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Frequently Asked Questions

Can I use AMSOIL in my daily driver or only in high-performance vehicles?

You can use AMSOIL in both! AMSOIL is perfect for everyday vehicles, motorcycles, trucks, off-road equipment, and more. It offers better protection, longer oil life, and can help reduce maintenance costs over time.

Does AMSOIL void my vehicle's warranty?

No. Using AMSOIL will not void your vehicle’s warranty. AMSOIL products meet or exceed OEM requirements and are covered under the Magnuson-Moss Warranty Act.

How often should I change my oil with AMSOIL?

Many AMSOIL motor oils are formulated for extended drain intervals. Some can go up to 25,000 miles or one year, depending on your driving conditions and oil type. Always check product recommendations for your vehicle.

Where is AMSOIL made?

AMSOIL products are proudly made in the USA, with manufacturing and distribution headquartered in Superior, Wisconsin.

How do I find the right AMSOIL product for my vehicle?

Use the AMSOIL Product Guide on our website. Just enter your vehicle’s year, make, and model, and you'll see recommended products for your engine, transmission, and more.