Motorcycles With Car Engines: A Brief History of Two-Wheeled Absurdity

In their own way, each of them is outrageous. But some are more so than others.

To make this list, the resulting car-hearted bike needs to have been a streetable production model, although some were series production and some were conversions or customs built in bulk. There are plenty of one-offs out there with even wilder engines than these, but we’re using this criteria to pare things down.