Performance diesel engines are usually the realm of European automakers, but the highest-revving diesel actually comes from ...

Honda's K20C1 turbo engine was overbuilt from the factory. Tuners achieve 600+ hp on stock internals thanks to forged ...

On paper, Nissan's variable-compression turbocharged engine should have been pretty awesome. Since it could change its compression ratio on the fly, it promised the power of a bigger engine when you ...

When comparing engine specs for nearly any combustion engine automobile, we see a number of variations available with differing outputs of horsepower and torque. We often have a choice of gasoline or ...

The Skyactiv-G 2.5L turbo engine, a reliable and powerful four-cylinder often overlooked in the automotive market.

Nissan brought the first, and only, variable-compression engine to market. But its future doesn't look bright. Complexity in cars is a funny thing. It’s tempting to say that it’s all bad, that more is ...