P155/60TR15.0BSW AS front tires
175/55 rear tires
Smart Car dealer or anyplace that sells tires can advise you on where to get the correct tire.
You need the tires that are most appropriate for your car.
form_title= Tire Size Chart form_header= Find the right tires you need for your car. Want size tires do you currently have?*= _ [50] When were your tires last replaced?*= _ [50] Do you want to change tire size?*= () Yes () No
I believe they are seven inches, but i could be wrong. either way, the tires are expensive.
To find the size of the rim of your car tires, you look on the side of the tire. It should be printed on the side of the tire, or on the inside of the door of the car.
The "Smart Car" is a trade mark of Mercedes. Fiat makes a car that is about the same size but it can not be called a "Smart".
8.7 gallons
Never heard of a size such as this.
By ratio if you mean size, the answer is no unless the car comes from the factory with a different size rear tires than front tires like some sports cars. In that case you would have 2 tires the same size on the front and 2 tires another size on the rear. You should never ever run 2 different size tires on the same axle. Therefore you would never have a situation where you would have 3 tires one size and then 1 tire another size.
it depends on the store and it depends what kind of size you want or what fits your car.
of course
The size of tires you need is usually on a decal on driver door frame. The sizes on tires are printed in large letters on each side of the tire.