165/65 R15 doesn't belong to the most popular dimensions for tyres - there are tyre models available, which can be compared to 325/30 R21, 155/60 R15, 155/65 R13. Let's break down the sizing - 65 is height of the tyre, which is calculated as 65% of the tyre width (165mm), which means the sidewall height has 107.25 mm. The wheel diameter is R15, which means it fits to a 15 inch/381mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 215/35 R18(1909.15 mm), 275/45 R18(2213.88 mm), 215/50 R18(2111.78 mm), 275/65 R18(2559.46 mm), 215/65 R17(2234.61 mm), 285/35 R20(2222.68 mm), 225/35 R19(2010.93 mm). You can find 165/65 R15 on 7 car models - mainly Renault, smart, Peugeot, Volkswagen.