Tuned Yota · Independent Authorized AMSOIL Dealer · Lakeville, Minnesota, USA · This website is owned and operated by an independent AMSOIL Dealer and is not AMSOIL INC.

Tuned Yota FluidsIndependent Authorized AMSOIL Dealer
Signature Series 5W-20 100% Synthetic Motor Oil

Synthetic Motor Oil · AMSOIL stock no. ALMQT-EA

Signature Series 5W-20 100% Synthetic Motor Oil

Signature Series 5W-20 100% Synthetic Motor Oil is AMSOIL's top-tier full synthetic — 75% more wear protection, 100% protection against LSPI and a guaranteed 25,000-mile / 1-year drain interval, built for turbocharged and direct-injection engines.1

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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.

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Read more: AMSOIL synthetic motor oil guide

Your next step

  1. Confirm the fit. Open the vehicle list above and match your year and engine.
  2. Check the product page. Capacity, what it does, and the AMSOIL claim basis.
  3. Order from AMSOIL. Use any Buy link: it opens AMSOIL.com and credits Tuned Yota. Preferred Customer pricing is available only through registration; it is a paid membership.
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Frequently asked questions

What is the drain interval?
Up to 25,000 miles or one year, whichever comes first — guaranteed. Turbocharged vehicles fall under the normal-service category. Always change the oil filter when you change the oil.
Does using AMSOIL void my vehicle's warranty?
No. Using AMSOIL synthetic lubricants does not void your vehicle or equipment manufacturer's warranty, and all AMSOIL lubricants and filters are covered by the AMSOIL Limited Warranty.
Where can I buy Signature Series 5W-20 100% Synthetic Motor Oil?
Online from AMSOIL through Tuned Yota, an Independent Authorized AMSOIL Dealer in Lakeville, Minnesota: every "Buy" link on this site opens the product on amsoil.com, and the order ships from AMSOIL. Preferred Customer pricing is available only by registering as an AMSOIL Preferred Customer. You can also call (612) 406-7117 or email info@tunedyota.com to order through us.