First Drive: Audi A8 3.0 TDI

Hot on the heels of Mercedes’ mighty S-Class Audi have just launched a leaner, greener version of their flagship model the A8. What is it? Audi’s big limo gets a nip-tuck all around , there’s new lights, bumper, the engines are more efficient and  some key technology features have been added. First impressions of the new Audi A8?   While the cosmetic changes are not immediately obvious at first glance the exterior is now...