With so many available motor ... oil is the cheapest and full synthetic is usually the most expensive. Synthetic blends sit right between these two in terms of price and performance.

have a high-performance engine, or want to prevent sludge buildup and extend engine life, synthetic oil is for you. Mixing conventional and synthetic or using a synthetic blend is also perfectly ...

In the realm of engine oils, the distinctions between synthetic and conventional types are key to optimizing engine performance ... Synthetic blend oils, such as Shell Rotella T5, offer a middle ...

The company’s API-licensed oils carry the current API and ILSAC engine oil licenses, along with the GM dexos1 gasoline engine oil approval. Royal Purple’s Synthetic Oil features enhanced ...