235/70 R16 doesn't belong to the most popular dimensions for allround tyres - there are 2 tyre models available, which can be compared to 155/60 R15, 170/60 R17, 160/60 R14. Let's break down the sizing - 70 is height of the tyre, which is calculated as 70% of the tyre width (235mm), which means the sidewall height has 164.5 mm. The wheel diameter is R16, which means it fits to a 16 inch/406.4mm diameter wheel. The total circumference of the tyre is 2310.33 mm, which is very similar to 295/30 R22(2311.58 mm), 285/40 R20(2312.21 mm), 205/80 R16(2307.19 mm), 275/55 R17(2306.87 mm), 235/65 R17(2316.3 mm), 235/75 R15(2304.36 mm), 255/40 R21(2316.61 mm). There are multiple speed indexes available for allround tyres in 235/70 R16: H(210km/h), S(180km/h), T(190km/h). The same goes for weight indexes: 104, 106, 109. You can find 235/70 R16 on 10 car models - mainly Nissan, Land Rover, Dodge, Jeep, Mazda.