Search new + high quality used tires online. Size 225 40 R18 starting at: $47.99. Tires in stock: 323. Available brands: 67 with 159 models. All season: 247. Winter: 37. Summer: 39. Run flat: 22. 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!