Inspirational 11++ 285 60 18 Tires. 285/60r18 tires have a diameter of 31.5, a section width of 11.2, and a wheel diameter of 18. You'll receive email and feed alerts when new items arrive. Great savings free delivery / collection on many items. Similar to the miata tire calculator and 1010 tire calculator. 285 60 18 Tires - Permaisuri Rays Volk Racing Te37sb On Pajero Sport Make your choice now, and equip your vehicle with the best 285/60r18 tires that money can buy.