Inline-six engines are thriving. From BMW and Mercedes to Mazda and Stellantis’ Hurricane, see which car companies still build the world's smoothest engines.

Typically, when one pictures a passenger car engine with two heads, the first thought that comes to mind is a V6. These ubiquitous engines are almost universally found within just about every major ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

The mid-engine sports car is an increasingly rare breed, but Lotus still carries the torch with its Emira, which is available with a choice of supercharged V6 or turbocharged inline-four cylinder ...

To say we're a little obsessed with the YouTube channel Build It Yourself's V10-swapped Lincoln Continental would be accurate but also one serious understatement. I mean, we're talking about the ...

Four-cylinder engines used to be shorthand for “base model,” the sensible choice you bought when you could not stretch to a V8. Today, advanced turbocharging, clever electronics, and obsessive weight ...