Porsche Cayman GT4 in detail

// Posted in Porsche

Porsche Cayman GT4

Porsche is showing off its new Cayman GT4 at the Geneva Motor Show. With that comes a raft of information, new pics and technical specifications.

We’re very happy to bring that all to you now. Because cutaways!

Porsche Cayman GT4

Porsche Cayman GT4

Porsche Cayman GT4

Porsche Cayman GT4

Porsche Cayman GT4

Porsche Cayman GT4

Porsche Cayman GT4

Porsche Cayman GT4

Porsche Cayman GT4

Porsche Cayman GT4—The new benchmark in its class

The new entry-level car of the Porsche GT family is the Cayman GT4. The engine and chassis, brakes and aerodynamics of the Cayman GT4 were engineered for maximum driving dynamics, yet this new top model preserves the typical versatility and everyday utility of a two seat Porsche coupe. It is powered by a 3.8-litre flat-six engine with 385 hp (283 kW), which was derived from the 911 Carrera S engine. Its power is handled by a six-speed manual transmission with dynamic transmission mounts. This combination lets the Cayman GT4 accelerate from zero to 100 km/h in 4.4 seconds and attain a top speed of 295 km/h. The car’s combined NEDC fuel consumption is 10.3 l/100 km. The chassis, with its 30 mm lower ride height and generously sized brake system, consists largely of components from the 911 GT3.

Ready for the racetrack: First Porsche Cayman with downforce at both axles

The Cayman GT4 has an independent look. Three distinctive air intakes at the front and a large fixed rear wing are elements of an aerodynamic setup that is uncompromisingly designed for downforce. If desired, the Cayman GT4 can be equipped with an even greater focus on sporty performance. Optional equipment includes the PCCB ceramic brake system, full bucket seats made of carbon fibre reinforced polymer (CFRP), a custom Sport Chrono Package with the unique Track Precision app and a Club Sport Package.

The interior features of the Cayman GT4 let the driver and front passenger experience unfiltered driving pleasure. They sit on sport seats that are upholstered in a combination of leather and Alcantara and offer very good lateral support. The new GT4 sport steering wheel, with its compact dimensions, guarantees precise handling and direct steering feedback.

The technology of the new GT sports car is based on that of the 911 GT3. As a mid-engine sports car and a prime example of driving dynamics in its class, it continues the conceptual tradition of the 911 GT1, the Carrera GT and the 918 Spyder. The new model designation is based on that of the GT4 class, which lets buyers enter into GT car racing at relatively low expense.

Specifications Porsche Cayman GT4*

Body

Two seat coupe; lightweight body in aluminium-steel construction with doors, front and rear lids made of aluminium; two-stage driver and front passenger airbags; side and head airbags for driver and front passenger.

Aerodynamics

Drag coefficient cd: 0.32
Frontal area A: 2.0 m2
cd x A: 0.64

Engine

Water-cooled flat-six engine; aluminium engine block and cylinder heads; four overhead camshafts, four overhead camshafts, four valves per cylinder, variable intake valve timing and lift (VarioCam Plus); hydraulic valve clearance adjustment; direct petrol injection; one three-way catalytic converter per cylinder bank, each with two oxygen sensors; engine oil 10.1 litres; electronic ignition with solid-state ignition distribution (six active ignition modules); thermal management for coolant circulation.

Bore: 102.0 mm
Stroke: 77.5 mm
Displacement: 3,800 cc
Compression ratio: 12.5:1
Engine power: 385 hp (283 kW) at 7,400 rpm
Max. torque: 420 Nm at 4,750 – 6,000 rpm
Power output per litre: 101.3 hp/l (74.5 kW/l)
Max. engine speed: 7,800/min
Fuel type: Super Plus

Electrical system

12 Volt; alternator 2,100 W; battery 95 Ah/520 A; electrical system recuperation.

Transmission

Engine and transmission bolted into a single drive unit; rear wheel drive; six-speed manual transmission with mechanical rear
differential lock and Porsche Torque Vectoring (PTV).

Gear ratios
1st gear: 3.31
2nd gear: 1.95
3rd gear: 1.41
4th gear: 1.13
5th gear: 0.95
6th gear: 0.81
Reverse gear: 3.00
Final drive ratio: 3.89

Clutch diameter 240 mm

Chassis

Front axle: strut suspension (MacPherson type, Porsche optimised); independent wheel suspension with lateral and longitudinal links and struts; cylindrical coil springs with internal dampers.

Rear axle: independent wheel suspension with lateral and longitudinal control arms (MacPherson type, optimised to Porsche
requirements); cylindrical coil springs with coaxial internal dampers; anti-roll bar.

Porsche Active Suspension Management (PASM) with electronically controlled dampers; two manually selectable damping
programmes.

Electromechanical power steering.

Brakes

Dual-circuit brake system with separate circuits for front and rear axles; Porsche Stability Management (PSM) with two-stage
deactivation switch; vacuum brake booster; brake assistant; electric duo-servo parking brake; auto-hold function.

Front: six-piston aluminium monobloc brake callipers, perforated and internally ventilated brake discs 380 mm in diameter and
34 mm thick.

Rear: four-piston aluminium monobloc brake callipers, perforated and internally ventilated brake discs 380 mm in diameter
and 30 mm thick.

Wheels and tyres

Front: 8.5 J x 20 with 245/35 ZR 20
Rear: 11 J x 20 with 295/30 ZR 20

Weights

Unladen weight (DIN): 1,340 kg
Permissible gross vehicle weight: 1,640 kg

Dimensions

Length: 4,438 mm
Width: 1,817 mm
Width with door mirrors: 1,978 mm
Height: 1,266 mm
Wheelbase: 2,484 mm
Track widths front: 1,539 mm; rear: 1,533 mm
Luggage comp. capacity front: 150 l; rear: 184 l
Fuel tank capacity: 54 l

Performance

Top speed: 295 km/h (183 mph)

Acceleration
0 – 100 km/h: 4.4 s
0 – 60 mph: 4.2 s
0 – 200 km/h: 14.5 s
0 – 400 m (1/4 mile): 12.5 s

Fuel consumption

Combined: 10.3 l/100 km
(NEDC) Urban: 14.8 l/100 km
Extra-urban: 7.8 l/100 km

CO2 emissions

Combined: 238 g/km
Emissions class: Euro 6

* Specifications may vary in different markets.