Audi A6 L e-tron Concept - 2012 luxury-class Brand Audi Audi is showing its first extravagance class e-tron idea auto - an innovation study known as the Audi A6 L e-tron idea at Auto China 2012 in Beijing. The module half breed has a capable drive framework that empowers a driving scope of 80... By Car Division, 23 April, 2012