Designing a postal delivery car for rural mail routes

I AM AN EX-RURAL CARRIER. I USED A HARD TOP CHEVY TRACKER. GREAT MILAGE. MY GAS ALLOWANCE MADE THE PAYMENTS. I INSTALLED A HYDRILIC PLUNGER TO MY BRAKE AND PUT A BRAKE PEDAL ON THE RIGHT SIDE. VEHICLE WAS SMALL ENOUGH TO REACH STEERING WHEEL FROM PASSENGER SEAT. WORKED GREAT AND INEXPENSIVE TO SET UP.