Use a High Mileage oil in the exact weight the manufacture of your vehicle recommends.
none
It varies from car to car. Consult your drivers manual.
200-100000
Your question can not be answered as asked. There is not information available online for mile, mile. For a car to be considered a classic car, it has to be at least 25 years old.
I have an 02 with 90k, it still runs well. The life of the car depends on the owner. If it's well maintained then it should be fine. Good luck
I recommend a high mileage oil such as Pennzoil High Mileage in the weight the manufacture of the vehicle recommends.
100000
You can watch a 500 mile car race in Indiana.
Which ever one meets your needs. Which ever one you want - or can get for yourself.
if it is a "valuable" car then about $1.00 a mile to haul it. If it is average car, then probably about 10 cents a mile on a car hauler
Depends on the car.
.42-.68 a mile