| Rank | Board name and description | Posts last week | Posts | Members |
| 1 | Forocoches Spanish cars message boards | 574300 | 103186088 | 573971 |
| 2 | Motor-talk.de German automotive discussion forums | 96273 | 31542235 | 2019512 |
| 3 | Maxrev Honda message boards | 51815 | 2449371 | 33993 |
| 4 | Bimmerforums BMW car brand message boards | 47789 | 22627365 | 376255 |
| 5 | Rennlist Porsche owners forums | 19480 | 9042669 | 107497 |
| 6 | Ferrari Chat Ferrari fans and owners community | 17703 | 7116048 | 98989 |
| 7 | EvolutionM Mitsubishi Lancer enthusiasts Community | 16912 | 9807432 | 155153 |
| 8 | Bimmerfest BMW owners community | 15921 | 6480208 | 267630 |
| 9 | Modded Mustangs Ford Mustang tuning forums | 15565 | 4218977 | 51576 |
| 10 | Scoobynet Subaru Impreza owners community | 14781 | 10181097 | 123673 |
| 11 | M3 Forum BMW M3 owners community | 14171 | 5796733 | 146053 |
| 12 | Houston imports Houston import race scene forums | 10977 | 11383230 | 56500 |
| 13 | Corsa Sport Vauxhall, Opel, and Holden message boards | 9680 | 7656317 | 36414 |
| 14 | Turbo Bricks Car performance forums | 9370 | 3939448 | 38710 |
| 15 | TDI Club VW TDI engine message boards | 7469 | 3632778 | 93562 |
| 16 | IWSTI Subaru Impreza STI owners community | 7320 | 3118537 | 74829 |
| 17 | Elaborare Italian car and bike tuning community | 6716 | 14483807 | 77343 |
| 18 | 502 Streetscene Automotive Discussion Forum | 5130 | 3293629 | 11415 |
| 19 | Columbus Racing Car racing community | 4004 | 1485055 | 2435 |
| 20 | Hot Rodders Hotrodding discussion forum | 3179 | 1463581 | 109531 |
| 21 | I-Club Subaru owners community | 3074 | 3185407 | 43697 |
| 22 | Calais Turbo Australian car forum | 2824 | 2623847 | 39446 |
| 23 | Supercars General automotive discussion forums | 2682 | 5243104 | 293578 |
| 24 | Probe Talk Ford Probe owners forums | 2190 | 4588553 | 30706 |
| 25 | Honda Society Honda owners community | 1917 | 1762581 | 19745 |
| 26 | V6 Performance Forum for owners of V6 powered cars | 1479 | 1758392 | 76843 |
| 27 | Max Bimmer BMW owners community | 1160 | 1468537 | 21887 |
| 28 | Nissan forums Nissan owners message board | 343 | 1265169 | 103750 |
| 29 | Super Honda Honda owners community | 245 | 4127723 | 156851 |
| 30 | Racers Den Car racing forums | 237 | 66529 | 696 |
| 31 | Mopar Chat Car tuning and performance forums | 176 | 780633 | 54250 |