Porsche - The Boxster Concept

Topics: Fuel injection, Automatic transmission, Disc brake Pages: 81 (16515 words) Published: December 11, 2011
The Boxster concept


To evolve without losing your individuality. Push the boundaries without breaking with tradition. Remain true to yourself while exceeding expectations. How can you do that?

By rekindling a source of infinite potential: inner fire. With the Boxster models, this power is demonstrated in many ways. By the powerful engines, for example. The optional Porsche Doppelkupplung.

The Porsche Stability Management. Or the purposeful design. In other words, refined technology which sets out clear rules. Not only in the roadster segment, but also for the driver. We call it Porsche Intelligent Performance.



Boxster | The Boxster concept

The pleasure of a roadster. The excitement of a Porsche. The Boxster models.

Gear changes take place in milliseconds without any interruption in the flow of power. The advantage over a fully manual transmission is the considerably faster rate of acceleration for the same

increases the agility of the Boxster but also enhances driving pleasure. As you would expect, the chassis setup ensures a supremely sporty ride. A wider track and generously dimensioned wheels in a dynamic design provide an even sportier driving experience. The optional mechanically locking rear differential (p. 54) delivers high traction and increased performance.

When fitted in combination with PDK, the optional Sport Chrono Package (p. 56) gives you access to two further functions: ‘Launch Control’ for maximum acceleration from a standing start, and a ‘motorsport-derived gearshift strategy’, bringing gearshift characteristics straight from the racetrack.

An extraordinarily powerful midmounted engine. An extremely low centre of gravity. Very high agility and dynamic handling. The driving experience offered by a Boxster goes far beyond superficial driving pleasure. That’s because it’s based on a concept which made the 550 Spyder one of the most successful racing cars of its time. We see it as the very embodiment of Porsche Intelligent Performance. Both models are powered by sophisticated engines. The Boxster’s six-cylinder Boxer engine, fitted with VarioCam Plus (p. 36), has a 2.9-litre capacity, 188 kW (255 hp) and maximum torque of 290 Nm at 4,400 to 6,000 rpm. Taking it to 100 km/h (62 mph) in just 5.9 seconds, with a top speed of 263 km/h (163 mph).

Despite this increase in power, the CO2 emissions have been reduced by up to 12 % compared with the previous model. In combination with the optional Porsche Doppelkupplung (PDK), the result is a comparatively low emissions value of 214 g/km and fuel consumption of 9.1 l/100 km (31 mpg). The Boxster S has an additional power boost, with direct fuel injection (DFI, p. 28) fitted as standard. This provides optimum fuel mixture formation for improved fuel efficiency and a distinct increase in power and torque. In combination with the optional PDK, this gives a reduction in fuel consumption of 15 % and lowers CO2 emissions by 16 % compared with the previous model. The 3.4-litre six-cylinder Boxer engine in the Boxster S develops an impressive 228 kW (310 hp). Maximum torque of 360 Nm is reached between 4,400 and 5,500 rpm and acceleration to 100 km/h (62 mph) takes just 5.3 seconds. In summary, an engine which is responsive enough to provide power from the outset – and reaches its limit at 274 km/h (170 mph). In both models, a precision sixspeed manual gearbox makes optimum use of the power and torque of the engine. Available as an option is Porsche Doppelkupplung (PDK, p. 42) featuring both manual and automatic modes. The principle is as impressive as it is simple: it has seven gears, two half gearboxes and two clutches. As one gear is engaged, the next is already preselected in the other half gearbox. Boxster S

level of fuel consumption. The advantage over a fully automatic transmission is a perceptible increase in driving dynamics – with a similar level of comfort and a distinct reduction in fuel consumption. In...
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