The extra lenght is for DOT as is the shape of the 2008's windshield.
Did the cars you drove have the:
It is my understanding the engine in the cars on tour are not the "stop & go" that decreases the engines revs at red lights, similar to a hybrid?
This engine is the same type as the turbo-charged engine that was to be used in Mitsubishi Motors new concept mini car.

Getrag Corporate Group is the systems supplier for transmission and drive train systems.
DaimlerChrysler claims that the 2008 Fortwo