| Rank | Board name and description | Posts | Members |
| 1 | HFBoards Hockey and NHL message board | 36541645 | 99003 |
| 2 | NASIOC Forums Forums of the North American Subaru Impreza Owners Club | 35238590 | 298819 |
| 3 | Bimmerforums BMW car brand message boards | 22579608 | 374886 |
| 4 | Scoobynet Subaru Impreza owners community | 10166429 | 123534 |
| 5 | NICO forums Nissan and Infiniti message boards | 5525619 | 148980 |
| 6 | Gixxer Suzuki GSX-R enthousiasts message boards | 5361520 | 165208 |
| 7 | Living With Style General discussion message board | 5310562 | 83482 |
| 8 | CamaroZ28.com Chevrolet Camaro Z28 discussion forums | 4982373 | 85986 |
| 9 | Civic Forums Honda civic enthousiasts forums | 3750455 | 49373 |
| 10 | FSUniverse Figure Skating Forum | 3399389 | 25252 |
| 11 | Mini 2 Mini owners community | 3384696 | 63450 |
| 12 | Anabolic Minds Nutritional supplements discussion forum | 2724109 | 131379 |
| 13 | Bullshido Martial Arts discussion forum | 2416646 | 107555 |
| 14 | Home Theater forum Home theater and entertainment discussion board | 2386231 | 91127 |
| 15 | Cadillac Forums Forum for Cadillac owners and enthusiasts | 2294408 | 113385 |
| 16 | Dark forum General discussion message boards | 1349087 | 11294 |
| 17 | EDM Planet Club and rave in the US community | 1075106 | 5032 |
| 18 | Satellite Guys High Tech TV information source | 691767 | 57629 |
| 19 | Militate Amine and Yu-Gi-Oh message boards | 690131 | 9737 |
| 20 | 80s Xchange 80s decade fans online community | 685023 | 15944 |