Search new + high quality used 225 40 ZR18 Michelin tires online, starting at: $58.91. 225 40ZR18 Michelin models in stock: 4. All season: 1. Summer: 9.. 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!