Is AMSOIL Worth It?
For most drivers — especially towing or high-performance vehicles — yes. AMSOIL Signature Series delivers 75% more wear protection and up to a 25,000-mile / 1-year drain, so you go further between changes and give your engine top-tier protection. Order from Tuned Yota, an Independent Authorized AMSOIL Dealer.
Is AMSOIL worth the extra cost?
AMSOIL costs more up front, but it's built to go further between oil changes, so you buy it less often, which helps offset the price while adding protection. For a towing or hard-working vehicle, the added wear and heat protection is where a premium synthetic earns its keep.
AMSOIL vs. conventional and Mobil 1
- 75% more wear protection for longer engine life (Signature Series 0W-20, ASTM D6891).1
- 100% protection against LSPI — critical for modern turbo and direct-injection engines.2
- Trusted by professional engine builders; surpasses leading standards for protection against horsepower loss, wear and sludge.
- Using AMSOIL does not void your vehicle manufacturer's warranty, and it's backed by the AMSOIL Limited Warranty.
Products in this guide
1 Based on independent testing of AMSOIL Signature Series 0W-20 (ASTM D6891). 2 Based on zero LSPI events in five consecutive GM dexos1 Gen 2 LSPI tests of Signature Series 5W-30.