Search new + high quality used tires online. Size 235 45 R20 starting at: $53.47. Tires in stock: 44. Available brands: 7 with 17 models. All season: 15. Winter: 9. Summer: 20.. 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!