The front - wheel drive design was a must, if the 2 Series Active Tourer were to have even a modicum of useable space in the rear. (autofocus.ca)
In addition, because electric motors can be 2 — 3 times more efficient than internal combustion engines, PV can result in 200 — 300 times more useable energy for vehicle transport than bioenergy per hectare (although fully realizing this potential will require battery production to become more energy efficient). (wri.org)
3.0 - liter Supercharged V6 Though the naturally - aspirated V8 in the S5 Coupe produces marginally more horsepower, the supercharged 3.0 - liter V6 in the S5 Cabriolet delivers just as much torque and at a lower engine speed, making it just as useable in most driving situations. (kbb.com)