Dunlop Grandtrek AT3 225/75 R16

Dunlop Grandtrek AT3 is a winter tyre made in total of 20 sizes, ranging from R15 to R15 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 225/75 R16 is 20mm wider than the narrowest dimension (205) and 50mm narrower than the widest one (275). This tyre profile of 75 means the sidewall height of the tyre is 75% of the tyre width (225mm), which results in 168.75mm sidewall height.