Yes, it is available to rent a car. Shanghai rented vehicles are charged by day or moth. Usually, the van you want need to be paid 500yuan per day (8 hours/100km). For every additional hour, you should pay 30 yuan and 3yuan for every extra kilometer. If you rent it one month, you should pay 8000-9000 yuan including a driver, petrol oil and insurance. The places you plan to go is really a long route.