 Last month was another record-selling month for Treasure Valley Subaru, and many of their customers are first-time Subaru owners. Long-time locals are making the switch to Treasure Valley Subaru, and newcomers are trading in their old cars for an all-wheel drive Subaru from Treasure Valley Subaru. Treasure Valley Subaru and the Idaho Center pre-owned superstore together on one giant lot at the Idaho Center Auto Mall and at treasurevalleysubaru.com.