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2011 Porsche Boxster E Concept

The Boxster E is an all-electric vehicle concept without any additional combustion engine on board. Propulsion is provided by two independent electric motors with constant mesh gearboxes that act on the front and rear axles. (continued below)

2011 Boxster E Concept Photo Gallery

An Electric Performance from Porsche with the Boxster E

Source: Porsche | Published: Tue May 24, 2011

(continued from above)

Porsche was demonstrating its Boxster E prototypes to a wide audience of representatives from politics, industry, trade and research at this global forum for sustainable mobility in the German capital Belin last week. Around a sporting circuit, the Porsche showcased the Boxster E sports car concept; exhibiting the combination of innovation, performance and chassis responsiveness that is characteristic of the marque, and follows similar ground-breaking initiatives; the 911 GT3 R Hybrid race car, 918 Spyder super sports car and 918 RSR concept.

The Boxster E prototypes are being used as part of the "Model Region Electro-Mobility Stuttgart" large-scale trial to explore the everyday practicality of all-electric vehicles and how they are used, especially in terms of driving and battery charging. What the researchers at Porsche are looking for is an understanding of the requirements that will shape tomorrow's products, the future direction of Porsche Intelligent Performance and how to integrate electric vehicles into the infrastructure.

Behind the Wheel

It goes without saying that all of the important safety and comfort features of the production model are replicated in the Boxster E. The new brake system enables an optimal melding of the braking forces of the electrical generators and the mechanical brake system, delivered via lightweight Porsche Ceramic Composite Brakes (PCCB). The electrically-powered air conditioning compressor accommodated in the front luggage compartment ensures comfortable temperatures inside the vehicle.

Not only are the clutch pedal and gearshift lever absent in the Boxster E, there is no rev counter either. In its place is a special 'E-Power meter' in the central instrument cluster display. A swing to the right indicates power call-off, and to the left, power recovery. Recuperation - namely the recovery of energy by using the electric motors as generators - can be modified by means of the push buttons in the steering wheel; the effect is akin to an on-demand engine brake. Otherwise, when the driver lifts his foot off the accelerator, the Boxster E simply sails on, using the moving vehicle's kinetic energy. Among its other functions, the instrument cluster's right-hand TFT display acts as an intelligent range management system, displaying useful driving information: the range remaining or how many miles can be gained by switching off the air conditioning system.

Mid-Engine Design Provides Perfect Foundation

Thanks to its design as a mid-engine sports car, the Porsche Boxster is the ideal vehicle platform for conducting realistic trials with electric-drive systems. The open-top two-seater car is very light, enabling the new components that are the electric motor, battery and high-voltage technology to be accommodated within the vehicle in a crash-proof way. Together with the low drag, this reduces driving resistance for optimal range. Also of importance for a Porsche sports car, even one that is electrically-driven, is the high driving dynamics potential, not least as a consequence of the balanced axle-load distribution intrinsic to the mid-engine design.

Porsche Boxster E Concept: Review (2/2)

Key: AT - automatic transmission, MT - manual transmission, F/R/AWD - front/rear/all wheel drive
Type RWD: Electric Motor
  AWD: 2 Electric Motors
Electric Power RWD: 120 hp
AWD: 241 hp
Electric Torque RWD: 199 lb-ft
AWD: 398 lb-ft
Driveline Rear Wheel Drive
  All Wheel Drive
Transmission n/a
Brakes & Tires
Brakes Front - Rear Ventilated Discs - Solid Discs
Tire Size Front - Rear n/a
Exterior Dimensions & Weight
Length n/a
Width n/a
Height n/a
Curb Weight 3527 lbs
0-60 mph RWD: 9.2 s
AWD: 5.3 s
1/4 Mile n/a
60-0 Braking n/a
Top Speed RWD: 93 mph
  AWD: 124 mph
Fuel Economy
EPA Fuel Mileage - City/Highway n/a
Origin & Price
Origin Germany
Base Retail Price (MSRP) n/a

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