Just as US actor Kevin Costner is still riding across the prairie on horseback and rock star Bruce Springsteen can still fill stadiums, the Ford Mustang shows no sign of flagging. Quite the reverse. Just in time for its 60th birthday, Ford is now bringing the seventh generation of this mother of all muscle cars to Europe for a very reasonable €59,900 as a coupé or €65,000 as a convertible. The new car sees Ford paying tribute to its automotive tradition. With its long bonnet and short rear, the new Mustang is big and feels big, much like the old model, although narrow, high-tech headlights and…