overall length

I live in a retirement community and when they built the homes the idea was to get as many as possible to an acre. Unfortunately the garages suffer. I have owned various models of the F150 since 1990 including the Lariet, Platinum and Harley. I want to buy a Lariat again but since there is only my wife and I we have to have the Super Cab with a short box (5x5). This is not available in the 4x2 Lariat as I am limited to an overall length of 18'6" and the only option is to go to the 4x4 which is the last thing I need both in offroad driving and gas mileage. Help me find a Lariat 4x2 with a short box,