15. Volkswagen New Beetle RSI

The New Beetle RSI was a wild departure from the cute image of the standard Beetle.
Limited to just 250 units, this ultra-rare model packed a powerful VR6 engine and all-wheel drive under its radically flared bodywork.
As MotorTrend explains, the RSI’s aggressive stance and high-performance credentials made it a true oddball—one that collectors and enthusiasts still dream of spotting in the wild.