Search new + high quality used tires online. Size 225 40 R18 starting at: $47.99. Tires in stock: 323. Available brands: 55 with 142 models. All season: 206. Winter: 31. Summer: 86. Run flat: 49. 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!