I believe those are 17". The base and Premium were 17". The only change is how they looked. I would say you would be lucky to get $150-$200. Most people say "Yea get $500 all day". But those buyers are extremely rare and not to be counted on. When selling items, price to sell. Do not price for that possible 1 person out there that MIGHT buy them for $400-$500.
This is also factoring in the 15,000 miles of wear on the current tires.