Designer‑water jokes and eye-rolls aside, the purple jug isn't cheap. Expensive oil is often a waste of money and a 5‑quart jug of Royal Purple can run $5 to $15 more than Mobil 1 and even ...

With this filter and a high-quality synthetic such as Royal Purple, you should be able to drive a minimum of 12,000 miles to a maximum of 25,000 miles on the same new oil you install at this service.

And Royal Purple Max-Chain is one of a variety of synthetic lubricants made by the company. The cost is relatively high, and the lube seems about like your average motorcycle chain lube in terms of ...

Leading wear-control specialist Filter Focus launched the Royal Purple premier lubricant brand into the South African market at a Speed Week media event in August, held at The Rock Raceway in Benoni, ...

Your car engine needs oil. However, are some oils really better than others? Here's why Royal Purple oil has both a good and a bad rap with drivers.

Leading wear-control specialist Filter Focus launched the Royal Purple premier lubricant brand into the South African market at a Speed Week media event in August, held at The Rock Raceway in ...