To answer your question and a few others I've received:

No third seat. The second row seat does have an integrated booster/child seat that folds down/out. There is also a dual climate control feature w/ AC.

The only wear on the car is what you would expect on a 10 year old car. No body damage to speak of except for a door ding or two and some minor scratches. Never been smoked in, doesn't smell funny, just a really clean car.

The spare snow tires (4) are not mounted on rims. They are not studded tires. They are the kind with ground walnut in them (Might be Toyo Observe's) with three winter seasons of use.