Apollo Aspire XP is a summer tyre made in total of 50 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/40 R18 is 20mm wider than the narrowest dimension (205) and 50mm narrower than the widest one (275). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (225mm), which results in 90mm sidewall height. In 225/40 R18, there is only one possible speed index for Apollo Aspire XP - "Y", which is good for speeds up to 300 km/h. In 225/40 R18, Aspire XP usually competes against sport S2, which is a tyre from Giti with a rating of 0%, compared to 0% of the Apollo in question. Latest test in 225/40 R18 was held by Gute-Fahrt in 2019, where Aspire XP received rating "Good" and finished on the 8. place. It was tested on a .
