Alternately, the best of both worlds. The battery pack in the Tesla is some 1300lbs. The Volt's battery pack is 400lbs. That's 900lbs less of battery you're acc

Alternately, the best of both worlds. The battery pack in the Tesla is some 1300lbs. The Volt's battery pack is 400lbs. That's 900lbs less of battery you're accelerating around all day, and contributes to the fact that the Volt weighs some 1200lbs less than the Tesla.