Search new + high quality used 235 45 R18 BFGoodrich tires online, starting at: $54.42. 235 45R18 BFGoodrich models in stock: 5. All season: 11. Summer: 1.. 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!