Seems to be a new one, convenient and comprehensive, even include a sprung weight diff. calculator!


www.tirewheelguide.com


Supports tire size recommend and compare by URL as well:


Recommend:
www.tirewheelguide.com/#/recommend/235-45-17-93V


Compare:
www.tirewheelguide.com/#/compare/235-45-17-93V/235-40-18-93V