Vredestein Quatrac Pro+ is a allround tyre made in total of 108 sizes, ranging from R17 to R17 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 215/40 R18 is 10mm wider than the narrowest dimension (205) and 70mm narrower than the widest one (285). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (215mm), which results in 86mm sidewall height. In 215/40 R18, there is only one possible speed index for Vredestein Quatrac Pro+ - "Y", which is good for speeds up to 300 km/h. In 215/40 R18, Quatrac Pro+ usually competes against Quatrac Pro, which is a tyre from Vredestein with a rating of 47%, compared to 58% of the Vredestein in question. Latest test in 215/40 R18 was held by SPORTAUTO in 2024, where Quatrac Pro+ received rating "Good" and finished on the 6. place. It was tested on a Hyundai i20N.