Search new + high quality used tires online. Size 255 40 R18 starting at: $39.99. Tires in stock: 151. Available brands: 25 with 72 models. All season: 85. Winter: 16. Summer: 50. Run flat: 33. 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!