| Rank | Board name and description | Posts | Members |
| 1 | VW vortex forums Volkswagen and related car brands discussion boards | 57365935 | 494943 |
| 2 | Honda tech Honda cars enthusiasts forums | 34644340 | 297178 |
| 3 | Corvette Forum Chevrolet corvette forum | 31681218 | 229467 |
| 4 | Club RSX Honda RSX fans forums | 30142583 | 122974 |
| 5 | NASIOC Forums Forums of the North American Subaru Impreza Owners Club | 27906918 | 220674 |
| 6 | Neons Neon enthusiasts discussion board | 18703170 | 19580 |
| 7 | Bimmerforums BMW car brand message boards | 17305075 | 245299 |
| 8 | S2KI Honda S2000 owners community | 16699052 | 85647 |
| 9 | LS2 General Motors discussion board | 12052147 | 24453 |
| 10 | LS1 Tech Chevrolet and GM enthousiasts discussion | 11159774 | 159156 |
| 11 | E46 fanatics BMW 3-series owners community | 10676658 | 153091 |
| 12 | Pirate 4x4 4x4 message boards | 9170578 | 146554 |
| 13 | SVT performance General Ford cars discussion forums | 8890326 | 96319 |
| 14 | Scoobynet Subaru Impreza owners community | 8774114 | 106205 |
| 15 | ClubSI Honda Civic SI owners forum | 7704147 | 55094 |
| 16 | EvolutionM Mitsubishi Lancer enthusiasts Community | 7615752 | 113886 |
| 17 | SRT Forums Dodge and Chrysler owners community | 7191312 | 75292 |
| 18 | Jeep Forum Jeep message boards | 7171807 | 215268 |
| 19 | BMW FAQ BMW enthusiast Spanish board | 7122595 | 93724 |
| 20 | 8th Civic 8th generation honda civic forum | 7037727 | 61544 |
| 21 | S10 forum Chevrolet S-Series trucks enthousiasts forums | 6590397 | 55561 |
| 22 | MY350Z Nissan 350Z forums, gallery and chat | 6570225 | 127622 |
| 23 | Corsa Sport Vauxhall, Opel, and Holden message boards | 6251138 | 31474 |
| 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 | 5677333 | 48152 |
| 27 | Mustang Forums Ford Mustang owners forum | 5341985 | 97420 |
| 28 | NICO forums Nissan and Infiniti message boards | 5207236 | 138566 |
| 29 | 3SI Mitsubishi 3000GT/Stealth forums | 5116657 | 30535 |
| 30 | DFWstangs Ford Mustand discussion forums | 5107766 | 36812 |
| 31 | Ferrari Chat Ferrari fans and owners community | 5092183 | 72034 |
| 32 | Maxima.org Nissan maxima fanatics forums | 4973706 | 81360 |
| 33 | CamaroZ28.com Chevrolet Camaro Z28 discussion forums | 4945781 | 85604 |
| 34 | SXOC Nissan 200SX owners club forums | 4903394 | 22273 |
| 35 | IH8MUD Land Cruiser Forum | 4814330 | 46251 |
| 36 | Corral.net Ford mustang message boards | 4809061 | 105826 |
| 37 | Mazdas 247 Mazda enthusiasts discussion board | 4691634 | 81458 |
| 38 | MSProtege Mazda owners forums | 4691620 | 81457 |
| 39 | Ford Truck World Ford trucks forums | 4593333 | 154775 |
| 40 | my.IS Lexus IS 300 message boards | 4589034 | 74910 |
| 41 | Bimmerfest BMW owners community | 4570495 | 173942 |
| 42 | RX-7 Club Mazda RX-7 forums | 4415016 | 95073 |
| 43 | M3 Forum BMW M3 owners community | 4317758 | 112167 |
| 44 | Probe Talk Ford Probe owners forums | 4306235 | 30571 |
| 45 | G35 Driver Nissan G35 enthusiasts community | 4293386 | 86941 |
| 46 | Third Gen Chevrolet camaro owners forums | 4270844 | 108595 |
| 47 | Jeepsunlimited.com Forums Discussion and marketplace about Jeeps | 4106931 | 103119 |
| 48 | 3.8 mustang Ford mustang owners community | 4053780 | 23051 |
| 49 | Full Size Chevy GM SUVs and trucks forums | 4045502 | 114625 |
| 50 | Super Honda Honda owners community | 4039419 | 149498 |
| 51 | The Sportbike Network Motorbike racing and performance forum | 4009188 | 100207 |
| 52 | MIGWeb Vauxhall - Opel message boards | 3981244 | 48601 |
| 53 | MB world Mercedes-Benz owners message boards | 3977436 | 128865 |
| 54 | F150 Online Ford F150 community | 3973177 | 157614 |
| 55 | Honda-Acura.net Honda cars message boards | 3870435 | 104141 |
| 56 | Civic Forums Honda civic enthousiasts forums | 3750455 | 49373 |
| 57 | Nissan Club Nissan Altima cars forums | 3746519 | 99202 |
| 58 | Volks Zone UK based Volkswagen Discussion group | 3737176 | 45447 |
| 59 | New Celica Toyota Celica discussion forums | 3592475 | 31948 |
| 60 | GM Full Size General Motors trucks community | 3476351 | 23268 |
| 61 | The Diesel Stop Ford Diesel message board | 3457029 | 80069 |
| 62 | 67-72 Chevy Trucks Chevrolet and GMC Pickup forums | 3443918 | 60558 |
| 63 | Stangnet Ford mustang enthousiasts message boards | 3411411 | 147459 |
| 64 | Exriders Honda motorbikes discussion forums | 3396814 | 90043 |
| 65 | BMW Club BMW owners community (in Russian) | 3342278 | 28865 |
| 66 | Mini 2 Mini owners community | 3307859 | 43475 |
| 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 | 3060821 | 70266 |
| 71 | RX8 Club Mazda RX-8 owners forum | 3052061 | 59639 |
| 72 | BMW Passion Italian BMW cars community | 2954618 | 22691 |
| 73 | North American Motoring Mini message boards | 2903723 | 73445 |
| 74 | I-Club Subaru owners community | 2750978 | 37179 |
| 75 | TDI Club VW TDI engine message boards | 2726256 | 71153 |
| 76 | IWSTI Subaru Impreza STI owners community | 2665438 | 50859 |
| 77 | Nissan Silvia Nissan Silvia owners forums | 2601206 | 50103 |
| 78 | BMW-Treff BMW owners community | 2594108 | 67958 |
| 79 | Colorado K5 Chevrolet and GM trucks message boards | 2584259 | 53513 |
| 80 | Chevelles.com Chevrolet Corvette forum | 2506174 | 51189 |
| 81 | Dodge Diesel Diesel Truck resource board | 2440421 | 88637 |
| 82 | Audisport Iberica Audi Forum (in Spanish) | 2436231 | 40945 |
| 83 | Modded Mustangs Ford Mustang tuning forums | 2410287 | 29796 |
| 84 | B15 Sentra Nissan Sentra owners forums | 2369996 | 26301 |
| 85 | Dodge Talk Dodge enthusiasts community | 2349767 | 125898 |
| 86 | 600RR Honda 600RR enthusiasts community | 2284512 | 42439 |
| 87 | Club WRX Subaru Impreza owners community | 2249922 | 60097 |
| 88 | Full size bronco Ford Bronco and national 4x4 club forum | 2168418 | 36740 |
| 89 | LS1 Chevrolet Camaro message boards | 2124323 | 47219 |
| 90 | American Jeepers American Jeepers discussion board | 2123374 | 9113 |
| 91 | NewTiburon Tiburon discussion board | 2121290 | 28707 |
| 92 | SR20 Forum Nissan SR20 community | 2116762 | 27425 |
| 93 | Explorer Forum Ford Explorer enthousiasts community | 2066931 | 125123 |
| 94 | Cadillac Forums Forum for Cadillac owners and enthusiasts | 2043119 | 99725 |
| 95 | DSM tuners Eagle / DSM cars tuning forums | 2015216 | 85733 |
| 96 | Turbo Diesel Register Dodge turbo diesel trucks message board | 1990508 | 36405 |
| 97 | Prelude Power Honda Entusiasts discussion board | 1973212 | 27938 |
| 98 | Club3G Mitsubishi Eclipse owners forums | 1962144 | 18587 |
| 99 | Mercedes Shop Mercedes owners community | 1961753 | 39955 |
| 100 | Toyota Nation Toyota cars enthusiasts forum | 1897786 | 103396 |
| 101 | Turbo Buick Buick owners community | 1886698 | 26711 |
| 102 | Honda Hookup Honda and Acura owners message boards | 1873514 | 179658 |
| 103 | GM Inside News Chevrolet, Pontica, Cadillac and other GM brands forums | 1833781 | 47392 |
| 104 | Audi World Audi cars owners message boards | 1824900 | 46200 |
| 105 | Auto Power Swedish BMW owners forum | 1819412 | 45074 |
| 106 | UKGS'er BMW GS motorcycle community | 1787035 | 10337 |
| 107 | Club GTI VW Golf GTI fans community | 1763931 | 51740 |
| 108 | All Ford Mustangs Ford Mustang enthusiasts message board | 1740480 | 85288 |
| 109 | Seat Cupra Seat owners community | 1726459 | 42819 |
| 110 | Black Mustang Club Forums Ford Mustang enthusiasts message board | 1703344 | 12331 |
| 111 | S-Series forum Chevrolet S-Series trucks forums | 1693599 | 5846 |
| 112 | Supra Forums Toyota Supra owners message boards | 1683668 | 59676 |
| 113 | Prelude online Honda prelude owners community | 1671099 | 62658 |
| 114 | Ranger Power Sports Ford Ranger owners community | 1650330 | 62835 |
| 115 | NLOC National Lightning Owners Club forums | 1646383 | 21143 |
| 116 | Dallas Imports A local forum for Dallas import enthusiasts | 1607025 | 11633 |
| 117 | Club Lexus Lexus cars discussion forums | 1597444 | 46427 |
| 118 | WebClub Subaru Subaru owners community (in french) | 1587903 | 10573 |
| 119 | DTM Power BMW tuning forums | 1578729 | 68549 |
| 120 | Ford power Ford cars discussion forums | 1564024 | 10887 |
| 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 | 1523155 | 18220 |
| 124 | Acura world Honda Acura forums | 1507032 | 44061 |
| 125 | The Z28 Forums Camaro Z28 forum | 1470676 | 27670 |
| 126 | Honda Society Honda owners community | 1463519 | 13962 |
| 127 | Chevy Avalanche Fan Club Chevrolet Avalanche owners forum | 1448453 | 32145 |
| 128 | Dodge Intrepid Dodge Intrepid and Chrysler message board | 1440434 | 25559 |
| 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 | 1378328 | 24896 |
| 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 | 1363159 | 36248 |
| 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 | 1298114 | 16476 |
| 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 | 1260457 | 5789 |
| 147 | BTCF Finnish BMW enthusiasts | 1250073 | 23532 |
| 148 | Ford Forums Ford cars and trucks owners community | 1249000 | 69514 |
| 149 | Skyline Owners Nissan Skyline owners forum | 1225320 | 22103 |
| 150 | Nissan forums Nissan owners message board | 1211755 | 85455 |
| 151 | V6Z24.com Chevrolet Cavalier Z24 owners community | 1211724 | 17134 |
| 152 | Crownvic Crown Victoria and Ford V8 enthousiasts forums | 1209871 | 9093 |
| 153 | MX6 Mazda MX6 forums | 1206012 | 40796 |
| 154 | Benz World Mercedes Benz owners forums | 1195229 | 53164 |
| 155 | Camaro 5 Chevrolet Camaro forums | 1157203 | 19490 |
| 156 | STL Mustangs Ford Mustang forums | 1149392 | 6503 |
| 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 | 1039245 | 28864 |
| 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 | Ephatch Honda Civic owners forums | 974213 | 13037 |
| 165 | The V Board Nissan Sentra discussion forum | 972071 | 11045 |
| 166 | 914 Club Porsche 914 Community Website | 961955 | 13636 |
| 167 | Grand Am GT Pontiac Grand Am owners forum | 953590 | 17735 |
| 168 | GTR.co.uk Nissan GTR and Skyline Owners Forum | 941638 | 18161 |
| 169 | Ford vs Chevy Ford and Chevrolet message board | 917098 | 4585 |
| 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 | 865581 | 26297 |
| 176 | Ultimate Subaru Subaru message board | 846536 | 27961 |
| 177 | Trailvoy Chevrolet Trailblazer forum | 835406 | 53932 |
| 178 | J-Body GM enthusiasts forums | 835400 | 17292 |
| 179 | Aulro Australian Land Rover owners community | 815803 | 11030 |
| 180 | No Pistons Mazda RX7 message board | 810159 | 30127 |
| 181 | Element Owners Club Honda Element forum | 794129 | 34278 |
| 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 | 680035 | 22190 |
| 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 |