Search new + high quality used tires online. Size 275 40 ZR20 starting at: $39.99. Tires in stock: 61. Available brands: 20 with 32 models. All season: 42. Summer: 19.. 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!