This concept had some funky fenders.









From the article:
Porsche chose this name as a reference to the Carrera Panamericana, an endurance race during the early 50s in Mexico. The concept was based on the Carrera 4 but with a carbon fiber body and was capable of reaching 60 mph (96 km/h) in less than six seconds before topping out at 160 mph (257 km/h). This was possible thanks to a six-cylinder engine outputting 247 bhp (184 kW) at 6,100 rpm and 228 Nm (168 lb-ft) at 4,800 rpm with the power being channeled to both axles through a five-speed manual gearbox.

11 pictures and more details

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Manx Buggy Just needs to be 8 inches higher with some offroad/mud tyres...

 

for 1989 i see a lot of 993 in there!

 

The wheelarches are like extreme versions of the ones of the 911 GT1 and Carrera GT.