Subaru’s flat-four engines have earned a loyal following for their low center of gravity and all-weather confidence, but they also carry a reputation for being picky about maintenance. Keeping a boxer ...

All internal combustion engines require some kind of maintenance. (If that's news to you, your car probably needs to be inspected by a mechanic.) But there are different types of internal combustion ...

Matt Nelson is an automotive journalist with nearly a decade of experience in all things cars. He's spent years working at dealerships in sales, finance, and service. He's since traded in his pens and ...

Isaac Atienza is a Filipino motoring journalist who joined TopSpeed.com in 2021. He also owns a Filpino motoring website called Go Flat Out PH and is also a contributor to a local newspaper called The ...

H4 engines are horizontally opposed four-cylinder engines also commonly known by names like flat-four and boxer. For comparison, most four-cylinder automobile engines are upright inline designs. The ...