Search new + high quality used tires online. Size 235 50 R18 starting at: $43.25. Tires in stock: 1775. Available brands: 118 with 385 models. All season: 1500. Winter: 160. Summer: 115. Run flat: 85. 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!