Firestone Roadhawk 2 is a summer tyre made in total of 143 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/45 R18 is 50mm wider than the narrowest dimension (185) and 50mm narrower than the widest one (285). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height. In
235/45 R18, Roadhawk 2 usually competes against
Ecsta PS71, which is a tyre from
Kumho with a rating of 86%, compared to 81% of the
Firestone in question. Latest test in
235/45 R18 was held by Autozeitung in 2026, where Roadhawk 2 received rating "Recommended" and finished on the 4. place. It was tested on a
Audi A5.