Go Kart: Arrow X1 Chassis. Race Ready. on 2040-parts.com

Porsche plans four-door Panamera convertible

A series of European and U.S. patent applications obtained by AutoWeek show that Porsche remains committed to building a four-door convertible version of its flagship Panamera, despite recent comments from Zuffenhausen insiders indicating the car had been canceled. The new car, depicted in official drawings that accompany the latest Porsche patent applications filed in February, eschews the two-door route taken by all of its upmarket rivals for a four-door body.

Ferrari 599XX evolves with more power, less weight and a movable wing

Ferrari used the Bologna motor show to unveil an evolution of the 599XX sports berlinetta. It's an enhanced version of the 599 GTB Fiorano that is purely for track use--it stays with the company even after you buy it. You are invited to drive at track days, from which Ferrari uses telemetry, but you aren't allowed to put it in your garage.

Set sail in the Fiat 1100 Boat Car by Carrozzeria Coriasco

There are a few ways to tackle the problem of wanting to have a boat and a car but only having the space (or budget) for one vehicle. You could go the Amphicar route and end up with a so-so car that's also a so-so boat (bail-out buckets of charm though!). If budget permits, you could pick up a Quadski, but that doesn't give you the comfort of an enclosed cabin.