Air-cooled Porsche models are among the most desirable classics on the market, as collectors and Porsche enthusiasts alike flock to these cars for their analog driving experience and timeless Porsche styling. This particular 911 has been converted to a Cabriolet, and it’s powered by a 3.0-liter flat-6 that's paired with a 5-speed manual transmission. It also boasts some nice features, like Fuchs-style wheels, power windows, and an upgraded sound system. Power comes from a 3.0-liter air-cooled flat-6. Output is sent to the rear wheels via a 5-speed manual transmission.