Gran Turismo series zooms to 60 million unit sales

Gran Turismo 5 was hyped for more than half a decade and became one of the most costly racing games to ever develop, but it looks like it may have paid off. The game has just managed to push the entire Gran Turismo series to a lifetime sales total of 60 million units. GT5 itself takes only around 5.5 million of that number, but that already paces it ahead of Gran Turismo 4 Prologue, Gran Turismo 5