Search new + high quality used tires online. Size 225 40 R18 starting at: $39.74. Tires in stock: 748. Available brands: 66 with 234 models. All season: 465. Winter: 128. Summer: 155. Run flat: 81. 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!