It is based on the Porsche 930 but has an extensively modified exterior and a twin turbocharged flat-six engine. It was also the final evolution of the Porsche 935.
Need for Speed: Porsche Unleashed
The 935/78 Coupe "Moby Dick" appears in the PC release of Need for Speed: Porsche Unleashed as a Race Class vehicle in the Golden Era category. It is rewarded to the player for free upon winning the Porsche 935 Challenge and will be unlocked for $450,000 in the car dealer.
The 935/78 is the fastest car in the Golden Era category as it has the fastest acceleration and highest top speed. It also has great handling but can be a handful at high speeds.