User blog comment:JustToothpick/Best Multiplayer Cars for Each Brackets/@comment-28856025-20170517224028/@comment-28856025-20170517235728

For the exact rank increases, I calculated them based on the upgrade rank percentages that are listed here, as well as this car stats/price sandbox: https://docs.google.com/spreadsheets/d/1wGzk9al9YCGKuBIbXPY8tAB1q_d-SFnOsJfm0Xobq_g/edit#gid=1800176981