Zinc additives are fairly common in oil, especially when treating a classic or high milage engine, but what does the additive ...

Fans of turbocharged engines may already know, but you should let your engine idle for a bit before turning the car off. Your ...

There are a few different solutions you can use to remove sludge and other contaminants from your car's engine, but soapy water should not be one of them.

Mechanical defects can give you strong leverage when negotiating a used-car price Use repair estimates and the car’s market ...

Buying a classic car sight unseen can work, but only if you verify everything. Learn how to read photos and videos, request the right documents, order an independent inspection, avoid scams, and ...

The FD RX-7's 13B-REW was Mazda's rotary masterpiece—but owning one in 2026 comes with a serious financial commitment.

The sticker price at the dealership is only one part of what a car ultimately costs. Long after they drive off the lot, ...

Drivers can check for vehicle recalls using their VIN or license plate on the NHTSA database. Automakers typically cover the ...

It can be tough to keep track of how often your vehicle needs its oil changed, but forgetting to change it can have ...

Biosimilar bets are forecasts built on a forecast: estimate the originator's value at LOE a decade out, while the molecule is ...

A vehicle recall usually means owners should arrange a repair as soon as possible, but some safety defects demand a much more ...

Higher power usually means worse fuel economy, except when it comes to compression ratio. Here is how engines extract more ...