More 15+ 235 70 16 Tires Set Of 4. 235/70r16 tires have a diameter of 29.0, a section width of 9.3, and a wheel diameter of 16. Find low priced tires from al major brand names all at wholesale prices. 1with purchase of 4 select tires.2 see details. Shop 235/70r16 tires from the leading brands online or stop by a location by you to talk to a tires expert today!