Chart Track have announced that GTA IV sold an estimated 926,000 units (£39.9m) over 5 days and outsold Wii Fit by over 9 to 1. They also revealed that GTA IV sold 631,000 units in the first 24 hours and that in under a week GTA IV has sold more units than every other title in 2007, except ‘FIFA 08’, ‘Brain Training’ and ‘Call of Duty 4’.