There are a lot of destination in Vietnam ( Hanoi, Sapa, Hue, Hoi An, Nha Trang, Da Lat, Sai Gon………)….You can choose  one of above place to hire a car with good driver at  good price.  Please inform to  car rental’s office the date, type of car, itinerary,  time then they will give you the best price.  For more detail, please have look at link below:http://hotelvietnamonline.com/Transfers/car_rental.htm

Hope it will hepl!