Porsche Cayman 981 GT4 racing car

Official photos: 2015 November 18
Premiere: 2015 November 18, Los Angeles Auto Show

Porsche Cayman GT4 Clubsport
Confusing "Clubsport" name on car that is not street legal© Porsche

Technical specification and comparison

Modification Engine kW lb-ft Nm Gearbox 60 mph 100 km/h 160 km/h 200 km/h mph km/h DIN kg DIN lb W/lb W/kg Nord-
schleife
Cayman 981 GT4 Racing 3.8B6 283 309 420 PDK 6-speed 1300 2866 98.7 218
Cayman 981 GT4 Street 3.8B6 283 309 420 manual 6-speed 4.2 sec. 4.4 sec. 9.3 sec. 14.5 sec. 183 295 1340 2954 95.8 211 7:40...45
911 991 GT3 3.8 3.8B6 350 324 440 PDK 7-speed 3.3 sec. 3.5 sec. 7.5 sec. 11.4 sec. 196 315 1430 3153 111 245 7:30
DIN weight = car with 90% fuel, no driver, no cargo. Weight of German versions with standard equipment.

It's a mid-engined Porsche racing car. The 919 Hybrid was not made available for customer racing teams, so the RS Spyder had been the last mid-engined racing car that Porsche offered to its customers until the Cayman GT4 racing car.

The Cayman GT4 racing car was confusingly named as GT4 Clubsport. Before that, club sport versions were always street legal, but not the GT4 CS. The difference between real racing cars and amateur club racing cars is that you can drive the latter to the track days and back home.

The 981 GT4 racing version had the same 911 3.8-litre 283 kW engine as the street legal GT4. The GT4 racing version was available only with a unique 6-speed PDK gearbox (typical PDK of the time had 7 speeds and Porsche factory team uses sequential gearboxes for racing). The GT4 CS was solely destined for private racing drivers. The suspension was adapted from the 911 991 GT3 Cup car. The size of the standard fuel tank was 90 litres. FIA-approved FT3 tanks were optionally available in 70- and 100-litre sizes. Although the 18" wheels and tyres of the racing GT4 were much lighter than the 20" units on the street version, at 1300 kg/2866 lb, the stripped out racing version was only 40 kg/88 lb lighter than the street legal version because of the full safety cage and heavier automatic gearbox. Like all racing Porsches, the racing version of the GT4 was a Porsche Motorsport product that was ordered directly from Weissach and not from a Porsche dealer.

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Porsche Cayman 981 GT4 Clubsport
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Porsche Cayman 981 GT4 Clubsport
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Porsche Cayman 981 GT4 Clubsport
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Porsche Cayman 981 GT4 Clubsport front spoiler
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The forged wheels were fitted with 25/64-18 Michelin slicks at the front and 27/68-18 at the rear. The reliable and cost-effective steel brake discs measure 380 mm front and rear. © Porsche
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One of the best places to be© Porsche
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Porsche Cayman 981 GT4 Clubsport
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2018 Intercontinental GT Challenge, round 4, California 8 Hours, Laguna Seca, Porsche Cayman GT4, Spencer Pumpelly, Derek DeBoer, Sean Gibbons
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Intercontinental GT Challenge, round 4, California 8 Hours, Laguna Seca, Porsche Cayman GT4, Chris Bellomo, Tom Dyer, Rob Orcutt
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2019 Nürburgring, Porsche Cayman GT4 with wider body
2019 Nürburgring 24 hour race SP6 class winner (27th overall). The car has a non-stock widebody kit.© Porsche

The 981 GT4 racing car was a sales success for Porsche Motorsport with 421 cars sold!


© James Herne / Stuttcars.com


Continue to 981 GT4 rally car or to 982 GT4 racing car
Anniversaries
Nov, 288th birthday of the Cayman 981 (2012)
Dec, 08 – 8th birthday of the 991 GT3 Cup (2012)
Dec, 11 – 85th birthday anniversary of F.A. Porsche (1935)
Dec, 28 – 9th birthday of Stuttcars.com (2011)
Jan, 08 – 13th birthday of the 957 (2007)