The seventh-generation Volkswagen Golf manages to do the seemingly impossible. While it's bigger and more spacious than the car that it will replace, it's also lighter and more fuel-efficient. Based on the new MQB (modular transverse matrix) architecture, the 2015 Golf ends the cycle whereby new versions of a car end up heavier than the models they replace. Thanks to the extensive use of high- and ultra-high strength steels, the new Golf bodyshell is 51... continue