Search new + high quality used tires online. Size 245 45 R20 starting at: $43.56. Tires in stock: 182. Available brands: 38 with 72 models. All season: 138. Summer: 44. Run flat: 35. 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!