Our 2010 Prius turned 2 years old in early June and is pushing 60,000 miles. Maintenance has been nearly non existent. I did pay $35 this summer to get an airbag light cleared. It was showing an alarm for a side airbag and they found a loose connection. The Yokahama Avid's have performed well, but are ready to be changed. I have looked at several brands and finally settled on the Goodyear Assurance Fuel Max P195/65R-15 89H VSB from Discount Tire. The last few sets of tires have came from Tire Rack, but they couldn't come close to the Discount Tire deal. From Discount Tire,they were $104 each and $416 for a set of four. There was a $50 online ordering discount which brought the "out the door" price down to $366 with FREE shipping and $0.00 tax. After I receive them, I can submit a form for $40 back from Good Year. To get them installed locally and tire disposal will be about $70. So the total installed price will be less than $400.