Search new + high quality used 320 710 R18 Yokohama tires online, starting at: $115.28. 320 710R18 Yokohama models in stock: 1. All season: 1. Summer: 16.. Selling all used tires at discount costs. All used tires go through 2 layers of inspection on specialized equipment. One year warranty + free shipping on all inventory ;) Happy shopping!