| Rank | Board name and description | Posts | Members |
| 1 | RC groups Radio Controlled models discussion forums | 9623079 | 210087 |
| 2 | RCUniverse Radio controlled models community | 7523635 | 376993 |
| 3 | R/C Tech Forums RC racing message board | 3310638 | 46161 |
| 4 | Traxxas Traxxas car models discussion boards | 3142597 | 45798 |
| 5 | Radio Control Zone Radio Control message boards | 1913197 | 74872 |
| 6 | 40k Online Warhammer 40k message boards | 1840366 | 29372 |
| 7 | HobbyTalk Radio Controlled vehicles forum | 1345987 | 31552 |
| 8 | RCCrawler.com Radio Controlled forums | 1032809 | 19009 |
| 9 | Barone Rosso Models message board (in Italian) | 903135 | 15804 |