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The Porsche 911 GT1 was a car designed for competition in the GT1 class of sportscar racing, which also required a street legal version for homologation purposes. The limited-production street-legal version was labeled the 911 GT1 Straßenversion (Strassenversion).
For the 1998 season Porsche developed an all-new car, the 911 GT1-98. Designed to match the also new Toyota GT-One and Mercedes-Benz CLK-GTR, the 911 GT1-98 featured bodywork which bore more of a resemblance to traditional sports-prototypes than the previous 2 models while a new sequential gearbox was installed. As per the regulations a street-legal version of the 911 GT1-98 was spawned, but it is believed that only one variant was produced which was still sufficient to satisfy the regulations.
Registered BB-GT198, the first 911 GT1-98 was the single road-going version. It was built to comply with European regulations such as crash, emissions and noise standards. With a more complete interior, the road-version was nearly 400 lbs heaver than the race version.1 It also had smaller diameter wheels, probably for increased suspension compliance.
Naturally the Straßenversion retains all the same components as the race car including the double-wishbone suspension, six-speed sequential gearbox, inner-ventilated disc brakes and a 544 hp version of the turbocharged engine. It also benefits from the 911 GT1's dramatic shape that was first drawn up by Anthony Hatter and later refined by Norbert Singer in the wind tunnel. Porsche only moderately modified the interior and added a passenger seat.
Since its inception, Porsche has retained the sole Straßenversion and has infrequently displayed it at prominent car events like the Goodwood Festival of Speed. Later, this model helped motivate cars such as the Carrera GT, Gemballa Mirage and 9ff GT9.
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