An Audi A3 requires 0W20 oil, and only hybrid or full-synthetic oil. That raises the price of an oil change from under $50 to over $80 even though the engine capacities are similar.

The term "gear oil" is actually broad, as it applies to various lubricants used in different vehicle systems. The most common is manual transmission fluid (MTF), which lubricates the gears in a ...

The Audi e-tron has been on the market in the US for almost a year now, and some owners are starting to put some decent mileage on those electric SUVs. Carey Trost is one of those owners, and he ...

Gear oil is designed to protect vital components, including the gears and bearings in the drive axles and differentials, transmissions, industrial gear boxes and power take-off units.