Search new + high quality used tires online. Size 225 40 R18 starting at: $47.99. Tires in stock: 202. Available brands: 44 with 116 models. All season: 127. Winter: 36. Summer: 39. Run flat: 14. 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!