| Rank | Board name and description | Posts | Members |
| 1 | VW vortex forums Volkswagen and related car brands discussion boards | 57100553 | 492548 |
| 2 | Honda tech Honda cars enthusiasts forums | 34644340 | 297178 |
| 3 | Corvette Forum Chevrolet corvette forum | 31569162 | 228766 |
| 4 | Club RSX Honda RSX fans forums | 29834487 | 122538 |
| 5 | NASIOC Forums Forums of the North American Subaru Impreza Owners Club | 27726788 | 219369 |
| 6 | Neons Neon enthusiasts discussion board | 18703170 | 19580 |
| 7 | Bimmerforums BMW car brand message boards | 17198632 | 243418 |
| 8 | S2KI Honda S2000 owners community | 16616587 | 85250 |
| 9 | LS2 General Motors discussion board | 12011673 | 24396 |
| 10 | LS1 Tech Chevrolet and GM enthousiasts discussion | 11114678 | 158441 |
| 11 | E46 fanatics BMW 3-series owners community | 10621323 | 152354 |
| 12 | Pirate 4x4 4x4 message boards | 9114916 | 145680 |
| 13 | SVT performance General Ford cars discussion forums | 8843368 | 95525 |
| 14 | Scoobynet Subaru Impreza owners community | 8755804 | 105933 |
| 15 | ClubSI Honda Civic SI owners forum | 7704147 | 55094 |
| 16 | EvolutionM Mitsubishi Lancer enthusiasts Community | 7581471 | 113294 |
| 17 | Jeep Forum Jeep message boards | 7171807 | 215268 |
| 18 | SRT Forums Dodge and Chrysler owners community | 7161282 | 75095 |
| 19 | BMW FAQ BMW enthusiast Spanish board | 7064162 | 92994 |
| 20 | 8th Civic 8th generation honda civic forum | 6949789 | 60966 |
| 21 | S10 forum Chevrolet S-Series trucks enthousiasts forums | 6565683 | 55002 |
| 22 | MY350Z Nissan 350Z forums, gallery and chat | 6543426 | 127218 |
| 23 | Corsa Sport Vauxhall, Opel, and Holden message boards | 6223657 | 31368 |
| 24 | Rennlist Porsche owners forums | 6053856 | 65856 |
| 25 | Ford Trucks Ford trucks and vans forums | 5892067 | 461603 |
| 26 | Mustang world Ford Mustang fanatics message boards | 5645955 | 48031 |
| 27 | Mustang Forums Ford Mustang owners forum | 5341985 | 97420 |
| 28 | NICO forums Nissan and Infiniti message boards | 5180291 | 137635 |
| 29 | 3SI Mitsubishi 3000GT/Stealth forums | 5101480 | 30363 |
| 30 | DFWstangs Ford Mustand discussion forums | 5090127 | 36633 |
| 31 | Ferrari Chat Ferrari fans and owners community | 5058973 | 71648 |
| 32 | Maxima.org Nissan maxima fanatics forums | 4973706 | 81360 |
| 33 | CamaroZ28.com Chevrolet Camaro Z28 discussion forums | 4933560 | 85457 |
| 34 | SXOC Nissan 200SX owners club forums | 4881694 | 22154 |
| 35 | Corral.net Ford mustang message boards | 4809061 | 105826 |
| 36 | IH8MUD Land Cruiser Forum | 4776673 | 45899 |
| 37 | Mazdas 247 Mazda enthusiasts discussion board | 4672895 | 80971 |
| 38 | MSProtege Mazda owners forums | 4672886 | 80971 |
| 39 | Ford Truck World Ford trucks forums | 4593333 | 154775 |
| 40 | my.IS Lexus IS 300 message boards | 4578035 | 74553 |
| 41 | Bimmerfest BMW owners community | 4533556 | 172631 |
| 42 | RX-7 Club Mazda RX-7 forums | 4415016 | 95073 |
| 43 | Probe Talk Ford Probe owners forums | 4299983 | 30554 |
| 44 | M3 Forum BMW M3 owners community | 4292055 | 111674 |
| 45 | G35 Driver Nissan G35 enthusiasts community | 4278845 | 86520 |
| 46 | Third Gen Chevrolet camaro owners forums | 4259900 | 108009 |
| 47 | Jeepsunlimited.com Forums Discussion and marketplace about Jeeps | 4101057 | 102816 |
| 48 | 3.8 mustang Ford mustang owners community | 4039755 | 22969 |
| 49 | Super Honda Honda owners community | 4035644 | 149295 |
| 50 | Full Size Chevy GM SUVs and trucks forums | 4017107 | 114043 |
| 51 | The Sportbike Network Motorbike racing and performance forum | 4009188 | 100207 |
| 52 | MIGWeb Vauxhall - Opel message boards | 3970852 | 48402 |
| 53 | MB world Mercedes-Benz owners message boards | 3960666 | 127708 |
| 54 | F150 Online Ford F150 community | 3959518 | 157144 |
| 55 | Honda-Acura.net Honda cars message boards | 3862590 | 104006 |
| 56 | Civic Forums Honda civic enthousiasts forums | 3750455 | 49373 |
| 57 | Nissan Club Nissan Altima cars forums | 3740350 | 98869 |
| 58 | Volks Zone UK based Volkswagen Discussion group | 3701155 | 45221 |
| 59 | New Celica Toyota Celica discussion forums | 3592475 | 31948 |
| 60 | The Diesel Stop Ford Diesel message board | 3457029 | 80069 |
| 61 | GM Full Size General Motors trucks community | 3446770 | 23007 |
| 62 | 67-72 Chevy Trucks Chevrolet and GMC Pickup forums | 3421174 | 59923 |
| 63 | Stangnet Ford mustang enthousiasts message boards | 3411411 | 147459 |
| 64 | Exriders Honda motorbikes discussion forums | 3386875 | 89846 |
| 65 | BMW Club BMW owners community (in Russian) | 3342278 | 28865 |
| 66 | Mini 2 Mini owners community | 3305791 | 43233 |
| 67 | Pelican Parts Porsche and BMW message boards | 3255593 | 46386 |
| 68 | Passion Ford Ford message boards | 3115397 | 34465 |
| 69 | Corsa-C UK Vauxhall Corsa C sports club | 3062415 | 20225 |
| 70 | Zilvia Nissan 240sx discussion board | 3040423 | 69816 |
| 71 | RX8 Club Mazda RX-8 owners forum | 3038811 | 59321 |
| 72 | BMW Passion Italian BMW cars community | 2905080 | 22258 |
| 73 | North American Motoring Mini message boards | 2896526 | 73004 |
| 74 | I-Club Subaru owners community | 2744770 | 37087 |
| 75 | TDI Club VW TDI engine message boards | 2710537 | 70555 |
| 76 | IWSTI Subaru Impreza STI owners community | 2651653 | 50476 |
| 77 | Nissan Silvia Nissan Silvia owners forums | 2601206 | 50103 |
| 78 | BMW-Treff BMW owners community | 2588330 | 67810 |
| 79 | Colorado K5 Chevrolet and GM trucks message boards | 2576585 | 53336 |
| 80 | Chevelles.com Chevrolet Corvette forum | 2487901 | 50987 |
| 81 | Dodge Diesel Diesel Truck resource board | 2430150 | 88289 |
| 82 | Audisport Iberica Audi Forum (in Spanish) | 2417586 | 40557 |
| 83 | Modded Mustangs Ford Mustang tuning forums | 2385923 | 29461 |
| 84 | B15 Sentra Nissan Sentra owners forums | 2366602 | 26207 |
| 85 | Dodge Talk Dodge enthusiasts community | 2349767 | 125898 |
| 86 | 600RR Honda 600RR enthusiasts community | 2270172 | 42261 |
| 87 | Club WRX Subaru Impreza owners community | 2249922 | 60097 |
| 88 | Full size bronco Ford Bronco and national 4x4 club forum | 2157122 | 36442 |
| 89 | American Jeepers American Jeepers discussion board | 2123374 | 9113 |
| 90 | SR20 Forum Nissan SR20 community | 2116762 | 27425 |
| 91 | NewTiburon Tiburon discussion board | 2107255 | 28564 |
| 92 | LS1 Chevrolet Camaro message boards | 2106779 | 46965 |
| 93 | Explorer Forum Ford Explorer enthousiasts community | 2058843 | 124094 |
| 94 | Cadillac Forums Forum for Cadillac owners and enthusiasts | 2031399 | 99069 |
| 95 | DSM tuners Eagle / DSM cars tuning forums | 2015216 | 85733 |
| 96 | Turbo Diesel Register Dodge turbo diesel trucks message board | 1987046 | 36314 |
| 97 | Prelude Power Honda Entusiasts discussion board | 1962123 | 27781 |
| 98 | Mercedes Shop Mercedes owners community | 1961753 | 39955 |
| 99 | Club3G Mitsubishi Eclipse owners forums | 1955003 | 18499 |
| 100 | Toyota Nation Toyota cars enthusiasts forum | 1897786 | 103396 |
| 101 | Turbo Buick Buick owners community | 1876196 | 26591 |
| 102 | Honda Hookup Honda and Acura owners message boards | 1873514 | 179658 |
| 103 | Audi World Audi cars owners message boards | 1824900 | 46200 |
| 104 | GM Inside News Chevrolet, Pontica, Cadillac and other GM brands forums | 1823083 | 47176 |
| 105 | Auto Power Swedish BMW owners forum | 1814672 | 44936 |
| 106 | UKGS'er BMW GS motorcycle community | 1771927 | 10378 |
| 107 | Club GTI VW Golf GTI fans community | 1757686 | 51058 |
| 108 | All Ford Mustangs Ford Mustang enthusiasts message board | 1723778 | 84580 |
| 109 | Seat Cupra Seat owners community | 1711621 | 42429 |
| 110 | Black Mustang Club Forums Ford Mustang enthusiasts message board | 1699967 | 12289 |
| 111 | S-Series forum Chevrolet S-Series trucks forums | 1693058 | 5833 |
| 112 | Supra Forums Toyota Supra owners message boards | 1683668 | 59676 |
| 113 | Prelude online Honda prelude owners community | 1671099 | 62658 |
| 114 | NLOC National Lightning Owners Club forums | 1643324 | 21069 |
| 115 | Ranger Power Sports Ford Ranger owners community | 1643072 | 62566 |
| 116 | Club Lexus Lexus cars discussion forums | 1597444 | 46427 |
| 117 | Dallas Imports A local forum for Dallas import enthusiasts | 1596034 | 11589 |
| 118 | WebClub Subaru Subaru owners community (in french) | 1579744 | 10496 |
| 119 | DTM Power BMW tuning forums | 1578729 | 68549 |
| 120 | Ford power Ford cars discussion forums | 1564016 | 10881 |
| 121 | Volvo Speed Volvo performance and repair information | 1544598 | 27782 |
| 122 | Civic Type-R Civic Type-R owners forum | 1532921 | 27852 |
| 123 | 1000rr Honda CBR 1000RR motorcycle forum | 1513046 | 18003 |
| 124 | Acura world Honda Acura forums | 1503798 | 43784 |
| 125 | The Z28 Forums Camaro Z28 forum | 1467405 | 27589 |
| 126 | Honda Society Honda owners community | 1457604 | 13928 |
| 127 | Chevy Avalanche Fan Club Chevrolet Avalanche owners forum | 1448453 | 32145 |
| 128 | Dodge Intrepid Dodge Intrepid and Chrysler message board | 1434109 | 25522 |
| 129 | Ausrotary.com Australian rotary forums | 1395711 | 15802 |
| 130 | Club Grand Prix Pontiac grand prix discussion forums | 1384425 | 14900 |
| 131 | Acura Legend Acura Legend owners community | 1376961 | 24780 |
| 132 | Fiesta Turbo Ford Fiesta tuning message boards | 1370289 | 10631 |
| 133 | Dodge Forum Dodge owners community | 1368496 | 88700 |
| 134 | Club Civic Honda Civic drivers forum | 1364411 | 31958 |
| 135 | Modular Fords Mustangs discussion board | 1356398 | 36108 |
| 136 | Fast Fours Australian automotive discussion forums | 1337947 | 20903 |
| 137 | Club VW Golf Espana Spanish VolksWagen Golf forum | 1323445 | 30722 |
| 138 | JDM Universe JDM Honda car enthusiasts | 1321456 | 42935 |
| 139 | Contour Ford Contour message board | 1312758 | 15733 |
| 140 | Focus Fanatics Ford Focus message boards | 1306054 | 40325 |
| 141 | Land Rover UK UK based Land Rover community | 1300669 | 41528 |
| 142 | Max Bimmer BMW owners community | 1294328 | 16413 |
| 143 | MX5 Passion Mazda MX-5 owners community (in italian) | 1286639 | 4858 |
| 144 | 240SX Forums Nissan 240SX owners forums | 1268618 | 69080 |
| 145 | Club Civic Quebec Car clubs forum | 1267418 | 10394 |
| 146 | Honda Prelude Club Toronto Honda Prelude owners community | 1255736 | 5764 |
| 147 | Ford Forums Ford cars and trucks owners community | 1248164 | 69251 |
| 148 | BTCF Finnish BMW enthusiasts | 1238548 | 23320 |
| 149 | Skyline Owners Nissan Skyline owners forum | 1217329 | 21972 |
| 150 | Nissan forums Nissan owners message board | 1210132 | 85132 |
| 151 | Crownvic Crown Victoria and Ford V8 enthousiasts forums | 1209871 | 9093 |
| 152 | V6Z24.com Chevrolet Cavalier Z24 owners community | 1209871 | 17115 |
| 153 | MX6 Mazda MX6 forums | 1206012 | 40796 |
| 154 | Benz World Mercedes Benz owners forums | 1195229 | 53164 |
| 155 | STL Mustangs Ford Mustang forums | 1144133 | 6460 |
| 156 | Camaro 5 Chevrolet Camaro forums | 1107572 | 18954 |
| 157 | Honda Motor Honda motor discussion board in Russian | 1071099 | 12965 |
| 158 | DSM talk Diamond star motors forums | 1040034 | 21582 |
| 159 | DSM Source DSM enthusiast community | 1038972 | 28851 |
| 160 | Freshalloy Nissan vehicles owners forums | 1029464 | 33805 |
| 161 | Honda Vision Honda discussion forum | 1024197 | 2180 |
| 162 | Miata.net Mazda Miata owners forums | 998300 | 19869 |
| 163 | Clio sport Renault Clio owners forum | 991798 | 9933 |
| 164 | The V Board Nissan Sentra discussion forum | 972071 | 11045 |
| 165 | Ephatch Honda Civic owners forums | 967117 | 12928 |
| 166 | 914 Club Porsche 914 Community Website | 958841 | 13559 |
| 167 | Grand Am GT Pontiac Grand Am owners forum | 952398 | 17644 |
| 168 | GTR.co.uk Nissan GTR and Skyline Owners Forum | 941638 | 18161 |
| 169 | Ford vs Chevy Ford and Chevrolet message board | 916571 | 4573 |
| 170 | Maxrev Honda message boards | 905412 | 21457 |
| 171 | Honda Swap A Honda/Acura Technical resource | 891797 | 37024 |
| 172 | Camaro V6 Camaro and Firebird fans forum | 878345 | 12250 |
| 173 | Acura-cl Acura enthousiasts message boards | 871703 | 57390 |
| 174 | Yota Tech Toyota Offroad Forums | 866673 | 16121 |
| 175 | Goldwing Facts Honda Goldwing forums | 852577 | 26067 |
| 176 | Ultimate Subaru Subaru message board | 842428 | 27800 |
| 177 | J-Body GM enthusiasts forums | 835400 | 17292 |
| 178 | Trailvoy Chevrolet Trailblazer forum | 827814 | 53048 |
| 179 | No Pistons Mazda RX7 message board | 810159 | 30127 |
| 180 | Aulro Australian Land Rover owners community | 805650 | 10811 |
| 181 | Element Owners Club Honda Element forum | 790604 | 34101 |
| 182 | Acura-TL Acura owners community | 787351 | 57396 |
| 183 | Focal jet Ford Focus owners community | 772099 | 12221 |
| 184 | Golf4.de VW Golf 4 forum (in German) | 722228 | 14807 |
| 185 | The Diesel Garage Diesel engines discussion forums | 691635 | 21124 |
| 186 | Corvette Action Center Corvette message board | 677412 | 22103 |
| 187 | PT Enthusiasts Chrysler PT Cruiser owners community | 618204 | 7291 |
| 188 | The Fiat Forum Fiat discussion board | 608930 | 13701 |
| 189 | BMW 7er BMW 7series discussion board in German | 603825 | 10718 |
| 190 | Viper alley Dodge viper discussion forum | 594443 | 4491 |
| 191 | Eclipse Forums Mitsubishi Eclipse enthousiasts message board | 497616 | 13012 |
| 192 | Michigan Jeepers - discontinued Michigan Jeeps owners community | 310 | 4624 |