| Rank | Board name and description | Posts last week | Posts | Members |
| 1 | VW vortex forums Volkswagen and related car brands discussion boards | 143446 | 57416477 | 495436 |
| 2 | Club RSX Honda RSX fans forums | 138970 | 30196607 | 123071 |
| 3 | NASIOC Forums Forums of the North American Subaru Impreza Owners Club | 111012 | 27932899 | 220923 |
| 4 | Corvette Forum Chevrolet corvette forum | 62127 | 31705763 | 229634 |
| 5 | Bimmerforums BMW car brand message boards | 58823 | 17326924 | 245727 |
| 6 | Boostcruising Steet cruising and automotive forums | 28750 | 7346629 | 109133 |
| 7 | MTB news German mountain bike discussion forums | 25847 | 6418110 | 165948 |
| 8 | Houston imports Houston import race scene forums | 22566 | 9920727 | 45502 |
| 9 | Ferrari Chat Ferrari fans and owners community | 18743 | 5099791 | 72137 |
| 10 | Tampa Racing Car racing community | 15065 | 5390403 | 73619 |
| 11 | Team BHP Indian automotive forums | 11007 | 1521633 | 55735 |
| 12 | Scoobynet Subaru Impreza owners community | 10493 | 8778567 | 106249 |
| 13 | LS1 Chevrolet Camaro message boards | 8979 | 2127019 | 47261 |
| 14 | CamaroZ28.com Chevrolet Camaro Z28 discussion forums | 6251 | 4948178 | 85632 |
| 15 | Third Gen Chevrolet camaro owners forums | 5991 | 4273262 | 108750 |
| 16 | Performance forums Cars and motorbikes performance forums | 5940 | 2022571 | 35604 |
| 17 | Ten Tenths Motorsports message board | 4932 | 2555646 | 30254 |
| 18 | Track Forum Racing discussion board | 4459 | 2149911 | 9303 |
| 19 | Columbus Racing Car racing community | 3891 | 1069420 | 6268 |
| 20 | New England Street Riders Motorcycles forum | 3166 | 728783 | 3785 |
| 21 | StreetRace.co.uk Car tuning and racing forum | 1989 | 662172 | 12538 |
| 22 | Race Sim Central Car racing simulations discussion forums | 1665 | 3813668 | 128999 |
| 23 | Down Force Brazilian car racing forum | 1623 | 892981 | 2566 |
| 24 | Racers Den Car racing forums | 228 | 1555165 | 2496 |
| 25 | DSM Source DSM enthusiast community | 159 | 1039291 | 28875 |
| 26 | Ford power Ford cars discussion forums | 8 | 1564025 | 10888 |