Top 10 Renewable Lubricants Motor Oils
for June 2023

The advanced additive package in these bio-synthetic motor oils provides a great combination of the best synthetic and conventional motor oils in one product.

We tested this oil against other premium synthetic oils and found higher viscosity shear rates in Castrol GTX Magnatec. As a result, wear was accelerated.

This cost-no-object engine oil is oil of your future; it will prolong the life of your car and the good thing is it won’t destroy your wallet.

At 5 quarts, this is significantly smaller than the other 5 quart oils we tested, which makes it ideal for smaller cars or vehicles.

Like most synthetic motor oils, Quaker State 5W-30 oil offers better protection than the conventional versions. Its protection exceeds the original manufacturer's warranty period, but the manufacturer recommends using an oil specific to that model.

A 50 percent thicker base fluid, provided by Royal Purple, delivers the improved engine wear protection.

In 70 hours of tests, this synthetic blend engine oil performed well under pressure, reduced engine wear, and helped prevent engine deposits.

The FloTool flexible clear tube allows for easy liquid transfer between containers, and the spout on-off handle is a space-saving feature that saves storage space.

This oil costs $10.50 and meets all Briggs & Stratton's recommendations for use. All of their oil is high quality and meets their recommended specifications for use.

This synthetic oil is a high-quality blend of premium base oils that is specifically formulated for use in both two and four stroke motorcycles, ATVs, Side-by-Side vehicles, and scooters.