General Altimax Winter 3 is a winter tyre made in total of 43 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/45 R18 is 90mm wider than the narrowest dimension (155) and 0mm narrower than the widest one (245). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (245mm), which results in 110.25mm sidewall height. In 245/45 R18, there is only one possible speed index for General Altimax Winter 3 - "V", which is good for speeds up to 240 km/h. In 245/45 R18, Altimax Winter 3 usually competes against ZV7, which is a tyre from Avon with a rating of 17%, compared to 13% of the General in question. Latest test in 245/45 R18 was held by Autobild in 2020, where Altimax Winter 3 received rating "Satisfactory" and finished on the 18. place. It was tested on a BMW 5.
