Porsche 911 GT1 Straßenversion

Year: 1997-1998 | Generation: 993 | Units built: ~20
Engine: 3.2L twin-turbo flat 6 | Power: 537 hp | 0 – 60 mph: 3.65 s | Top Speed: 191 mph

 

We freely admit that calling the GT1 a 911 is *slightly* cheating. In spite of its 911 nameplate the car actually had very little in common with the 993 911 of the time. Sure the front of the car was from the 993 911 but the rear was the Porsche 962 as was the water-cooled, twin-turbocharged flat-six engine. The engine was also mid-mounted compared to the rear-engine layout of a conventional 911. In production car mode the engine made 537hp and only two units were ever made. It’s our article so we’re counting it.

 

The production version of the GT1 was created to homologate Porsche’s 911 GT1 contender. The street version was known as the ‘Strassen version’ and is considered the most fierce and rarest 911 ever. Apart from the sparse interior, little differentiates the GT1 from the full-on, race-ready counterpart. The homologation regulations demanded that the car complied to both the rules of the road and track. This included comprehensive European regulations which created a golden age of GT1 racing.

 

Apparent from the front and rear lights, the GT1 shares many components with its series production counterparts but puts them together in a more competitive way. Gone is the rear engine layout which isn’t suitable for prototype GT racing, the GT1’s turbocharged flat-six engine sits in front of the rear axle and is supported by chassis tubes instead of the typical 911 rear sub frame. Sitting behind the engine is a longitudinal six-speed transmission which the rear suspension attaches directly onto.

 

The GT1 was based on the 993-body shell, but with modified exterior panels and a substantial roll-cage that also supported the engine, gearbox and suspension. This helped Porsche avoid necessary crash testing and reinforced ties to the production cars.

 

But in almost every way, the GT1 was purpose-built race car. It had a carbon fiber body, full width wing, a tiny cockpit and a maximum power of 600bhp was developed at 7,200rpm.
Compared to the GT1s which raced Le Mans, the road-going version had only slight modifications. These changes include a higher ride height, softer suspension, road-going gear ratios and steel brakes which replace the race car’s carbon discs. The engine was only slightly detuned from the race version’s and a complete interior included sport seats and a full dashboard from the 993 line.

 

While the first version of the GT1 debuted at the 1996 season, Porsche only produced a single homologation car. The following year, the ‘Evo’ version was released with new kidney-shaped headlights and improved aerodynamics. This was good enough for Porsche to build twenty examples for select customers. These lucky few owned one of the most radical and unforgiving road-going supercars of their time.

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