Search new + high quality used tires online. Size 225 40 R18 starting at: $47.99. Tires in stock: 261. Available brands: 51 with 138 models. All season: 163. Winter: 50. Summer: 48. Run flat: 26. 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!