Subaru's WRX, Ascent, and Outback are the only new US models with a turbocharged flat-four boxer engine — and the WRX also ...

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 ...

The BRZ GT300 that competes in Japan's Super GT series has an engine derived from the bold and beautiful Subaru SVX grand ...

Japanese automakers Toyota, Subaru, and Mazda convened today to announce their collaborative efforts in preserving internal combustion engines by developing a new generation of clean and efficient ...

The legendary STI badge is poised for a return, but don’t expect a boxer engine or turbo whoosh. Subaru says the future of performance is electric. Subaru fans still talk about the WRX STI like it’s a ...

Toyota, Mazda, and Subaru announced a new collaboration developing new internal combustion engines. At a joint conference the three automakers emphasized their commitment to advancing engine ...

Toyota, Subaru, and Mazda on Tuesday announced a joint effort to improve efficiency and reduce emissions from internal-combustion engines. The development effort will take a number of different ...

The 2026 Subaru Outback, 2026 Subaru Forester, and 2026 Subaru Crosstrek run the same 2.5-liter boxer four, the same ...

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 ...

TOKYO — Toyota Motor Corp. and its Japanese carmaking allies Mazda and Subaru are doubling down on the next generation of compact, clean and powerful engines they say will emerge as potent weapons in ...