RepairPal Certified shops can diagnose and repair your 2007 Subaru Impreza. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
I have a 2007 Subaru Impreza 2.5i with a manual gearbox and I also have trouble shifting into reverse. I asked a mechanic about it and he said it has to do with the synchronizers.