Porsche might just be throwing down the gauntlet in the horsepower wars, and this time, they’re playing for keeps. Freshly uncovered patent documents reveal plans for a monstrous W18 engine—yeah, you ...

You might know a lot about V6 and V8 engines, but you might not know that there are W engines as well. And they come in many ...

When it comes to engine designs, Porsche loves to push the envelope. Yes, the end-result is usually something flat, but it still holds plenty of patents for ideas like nothing we've ever seen, like ...

During the 1990s, Mercedes-Benz seriously explored one of the most ambitious engine ideas ever considered for a luxury sedan: a W18 powertrain designed for the flagship S-Class. Yes, an ...