Search new + high quality used tires online. Size 285 30 ZR18 starting at: $69.58. Tires in stock: 13. Available brands: 7 with 8 models. All season: 1. Summer: 12.. 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!