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Opel Flextreme GT/E concept

Vauxhall Flextreme GT/E concept

Opel Flextreme GT/E concept rendering of the front

Opel Flextreme GT/E concept side sketch

Opel Flextreme GT/E concept Aeroblade out

Opel Flextreme GT/E, Aeroblade retracted

Opel Flextreme GT/E front view
Make Vauxhall/Opel
Model Flextreme GT/E
Concept year 2010
Production year -
Engine electric, with small displacement generator


The Flextreme GT/E shows how a hybrid drivetrain can be integrated into a larger car
The Opel/Vauxhall Flextreme GT/E concept is a vehicle which builds on the foundations of the Opel Flextreme concept from 2007, and also helps illustrate how extended-range electric vehicle (E-REV) systems can be integrated into large or midsize cars.


DRIVETRAIN
The Flextreme GT/E's aerodynamic shape, and drag coefficient of just 0.22, means the car can extract the highest speed and performance possible from its electric motors. Unlike a normal hybrid vehicle, the wheels of the Vauxhall Flextreme GT/E are driven at all times by electricity. The E-REV system - already developed for the Opel Ampera - can take the Flextreme GT/E up to a top speed of 125 mph, reach 60 mph in under 9 seconds, and offer a battery-only range of 40 miles.

Once the system detects that the lithium-ion batteries are becoming low, a small displacement (1.4 litre) 4 cylinder engine kicks in to act as a generator - giving a range of over 300 miles before refueling or recharging is required. Average fuel consumption is estimated at 175mpg, with CO2 emissions of less than 40g/km.


EXTERIOR DESIGN
The exterior design of the Flextreme GT/E clearly shows how the styling was somewhat dictated by a need for maximum aerodynamic efficiency - especially when viewed from the side. However despite these constraints, the designers have come up with an interesting looking vehicle which has a lot more style than most hybrid vehicles. The front end is characterized by a series of bold lines, sharp contours and a pair of distinctive LED headlights.

A series of measures optimise airflow management. The 21-inch alloy wheels are relatively narrow, to reduce wind resistance, and are fitted with 195/45, low rolling resistance tires. Clear, flush-mounted trim inserts also minimise air turbulence.

The Flextreme GT/E also explores the potential for active shape shifting. At speeds above 30mph, a vertical panel extends along the body from the air extraction slot behind each rear wheel-arch. These 350 mm-long side spoilers, which Opel have named 'Aeroblades', guide high-speed airflow around the rear corners of the car, further reducing the amount of turbulence.




Similar and related vehicles:
Opel Flextreme
Opel Ampera


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