| Rank | Board name and description | Posts | Members |
| 1 | VW vortex forums Volkswagen and related car brands discussion boards | 60695474 | 526883 |
| 2 | Club RSX Honda RSX fans forums | 38991492 | 152462 |
| 3 | Corvette Forum Chevrolet corvette forum | 38753676 | 286912 |
| 4 | NASIOC Forums Forums of the North American Subaru Impreza Owners Club | 35293395 | 299599 |
| 5 | Honda tech Honda cars enthusiasts forums | 34644340 | 297178 |
| 6 | Bimmerforums BMW car brand message boards | 22627365 | 376255 |
| 7 | S2KI Honda S2000 owners community | 19094932 | 98239 |
| 8 | Neons Neon enthusiasts discussion board | 18703170 | 19580 |
| 9 | LS1 Tech Chevrolet and GM enthousiasts discussion | 14342351 | 201791 |
| 10 | E46 fanatics BMW 3-series owners community | 13798583 | 205015 |
| 11 | Pirate 4x4 4x4 message boards | 12159947 | 210851 |
| 12 | LS2 General Motors discussion board | 12065333 | 24468 |
| 13 | SVT performance General Ford cars discussion forums | 11302054 | 127443 |
| 14 | BMW FAQ BMW enthusiast Spanish board | 10356585 | 58780 |
| 15 | Scoobynet Subaru Impreza owners community | 10181097 | 123673 |
| 16 | 8th Civic 8th generation honda civic forum | 10149100 | 98078 |
| 17 | EvolutionM Mitsubishi Lancer enthusiasts Community | 9807432 | 155153 |
| 18 | Rennlist Porsche owners forums | 9042669 | 107497 |
| 19 | SRT Forums Dodge and Chrysler owners community | 8420239 | 87016 |
| 20 | ClubSI Honda Civic SI owners forum | 7704147 | 55094 |
| 21 | Corsa Sport Vauxhall, Opel, and Holden message boards | 7656317 | 36414 |
| 22 | MY350Z Nissan 350Z forums, gallery and chat | 7243907 | 149783 |
| 23 | Jeep Forum Jeep message boards | 7171807 | 215268 |
| 24 | S10 forum Chevrolet S-Series trucks enthousiasts forums | 7163441 | 70242 |
| 25 | Ferrari Chat Ferrari fans and owners community | 7116048 | 98989 |
| 26 | Bimmerfest BMW owners community | 6480208 | 267630 |
| 27 | SXOC Nissan 200SX owners club forums | 5954306 | 18755 |
| 28 | Ford Trucks Ford trucks and vans forums | 5892067 | 461603 |
| 29 | Mustang world Ford Mustang fanatics message boards | 5808440 | 70773 |
| 30 | M3 Forum BMW M3 owners community | 5796733 | 146053 |
| 31 | 3SI Mitsubishi 3000GT/Stealth forums | 5766595 | 40049 |
| 32 | G35 Driver Nissan G35 enthusiasts community | 5755356 | 112845 |
| 33 | NICO forums Nissan and Infiniti message boards | 5525619 | 148980 |
| 34 | DFWstangs Ford Mustand discussion forums | 5463626 | 28211 |
| 35 | Volks Zone UK based Volkswagen Discussion group | 5429264 | 63324 |
| 36 | Mustang Forums Ford Mustang owners forum | 5341985 | 97420 |
| 37 | Mazdas 247 Mazda enthusiasts discussion board | 5139052 | 92156 |
| 38 | MSProtege Mazda owners forums | 5139044 | 92156 |
| 39 | IH8MUD Land Cruiser Forum | 5098816 | 48997 |
| 40 | Third Gen Chevrolet camaro owners forums | 5089081 | 153265 |
| 41 | my.IS Lexus IS 300 message boards | 5080914 | 96170 |
| 42 | CamaroZ28.com Chevrolet Camaro Z28 discussion forums | 4982373 | 85986 |
| 43 | Maxima.org Nissan maxima fanatics forums | 4973706 | 81360 |
| 44 | 67-72 Chevy Trucks Chevrolet and GMC Pickup forums | 4931805 | 91400 |
| 45 | Corral.net Ford mustang message boards | 4809061 | 105826 |
| 46 | F150 Online Ford F150 community | 4630505 | 189093 |
| 47 | GM Full Size General Motors trucks community | 4614916 | 43338 |
| 48 | Ford Truck World Ford trucks forums | 4593333 | 154775 |
| 49 | Probe Talk Ford Probe owners forums | 4588553 | 30706 |
| 50 | BMW Passion Italian BMW cars community | 4547968 | 35443 |
| 51 | RX-7 Club Mazda RX-7 forums | 4415016 | 95073 |
| 52 | MB world Mercedes-Benz owners message boards | 4412802 | 163239 |
| 53 | Zilvia Nissan 240sx discussion board | 4372743 | 110766 |
| 54 | Jeepsunlimited.com Forums Discussion and marketplace about Jeeps | 4301674 | 114670 |
| 55 | 3.8 mustang Ford mustang owners community | 4297986 | 24843 |
| 56 | Full Size Chevy GM SUVs and trucks forums | 4260579 | 118670 |
| 57 | Modded Mustangs Ford Mustang tuning forums | 4218977 | 51576 |
| 58 | Camaro 5 Chevrolet Camaro forums | 4186153 | 56081 |
| 59 | Super Honda Honda owners community | 4127723 | 156851 |
| 60 | Honda-Acura.net Honda cars message boards | 4095587 | 107575 |
| 61 | MIGWeb Vauxhall - Opel message boards | 4090309 | 51124 |
| 62 | Nissan Club Nissan Altima cars forums | 4067188 | 117963 |
| 63 | The Sportbike Network Motorbike racing and performance forum | 4009188 | 100207 |
| 64 | RX8 Club Mazda RX-8 owners forum | 3841178 | 82567 |
| 65 | Exriders Honda motorbikes discussion forums | 3825138 | 100352 |
| 66 | Civic Forums Honda civic enthousiasts forums | 3750455 | 49373 |
| 67 | TDI Club VW TDI engine message boards | 3632778 | 93562 |
| 68 | New Celica Toyota Celica discussion forums | 3592475 | 31948 |
| 69 | The Diesel Stop Ford Diesel message board | 3457029 | 80069 |
| 70 | Stangnet Ford mustang enthousiasts message boards | 3411411 | 147459 |
| 71 | Mini 2 Mini owners community | 3385255 | 63644 |
| 72 | North American Motoring Mini message boards | 3358588 | 111583 |
| 73 | BMW Club BMW owners community (in Russian) | 3342278 | 28865 |
| 74 | Chevelles.com Chevrolet Corvette forum | 3286147 | 62756 |
| 75 | Pelican Parts Porsche and BMW message boards | 3255593 | 46386 |
| 76 | I-Club Subaru owners community | 3185407 | 43697 |
| 77 | IWSTI Subaru Impreza STI owners community | 3118537 | 74829 |
| 78 | Passion Ford Ford message boards | 3115397 | 34465 |
| 79 | Corsa-C UK Vauxhall Corsa C sports club | 3062415 | 20225 |
| 80 | 600RR Honda 600RR enthusiasts community | 3029919 | 58146 |
| 81 | Audisport Iberica Audi Forum (in Spanish) | 3001143 | 54997 |
| 82 | Colorado K5 Chevrolet and GM trucks message boards | 3000758 | 66157 |
| 83 | The Fiat Forum Fiat discussion board | 2901527 | 110178 |
| 84 | Dodge Diesel Diesel Truck resource board | 2880066 | 107868 |
| 85 | Full size bronco Ford Bronco and national 4x4 club forum | 2748847 | 51902 |
| 86 | NewTiburon Tiburon discussion board | 2675263 | 36967 |
| 87 | LS1 Chevrolet Camaro message boards | 2646111 | 51849 |
| 88 | BMW-Treff BMW owners community | 2610340 | 68320 |
| 89 | Nissan Silvia Nissan Silvia owners forums | 2601206 | 50103 |
| 90 | Explorer Forum Ford Explorer enthousiasts community | 2600090 | 188137 |
| 91 | Seat Cupra Seat owners community | 2523238 | 65865 |
| 92 | Prelude Power Honda Entusiasts discussion board | 2492371 | 37005 |
| 93 | B15 Sentra Nissan Sentra owners forums | 2480974 | 31883 |
| 94 | UKGS'er BMW GS motorcycle community | 2475301 | 12323 |
| 95 | Maxrev Honda message boards | 2449371 | 33993 |
| 96 | Club3G Mitsubishi Eclipse owners forums | 2399241 | 26537 |
| 97 | Club WRX Subaru Impreza owners community | 2392001 | 73838 |
| 98 | Turbo Buick Buick owners community | 2369405 | 31822 |
| 99 | Dodge Talk Dodge enthusiasts community | 2349767 | 125898 |
| 100 | GM Inside News Chevrolet, Pontica, Cadillac and other GM brands forums | 2317988 | 56255 |
| 101 | Cadillac Forums Forum for Cadillac owners and enthusiasts | 2294408 | 113385 |
| 102 | Turbo Diesel Register Dodge turbo diesel trucks message board | 2158020 | 41474 |
| 103 | American Jeepers American Jeepers discussion board | 2123374 | 9113 |
| 104 | SR20 Forum Nissan SR20 community | 2116762 | 27425 |
| 105 | Auto Power Swedish BMW owners forum | 2101520 | 52929 |
| 106 | Club GTI VW Golf GTI fans community | 2073655 | 56832 |
| 107 | DSM tuners Eagle / DSM cars tuning forums | 2015216 | 85733 |
| 108 | Mercedes Shop Mercedes owners community | 1961753 | 39955 |
| 109 | Dallas Imports A local forum for Dallas import enthusiasts | 1956501 | 14559 |
| 110 | 1000rr Honda CBR 1000RR motorcycle forum | 1909688 | 28984 |
| 111 | Toyota Nation Toyota cars enthusiasts forum | 1897786 | 103396 |
| 112 | Honda Hookup Honda and Acura owners message boards | 1873514 | 179658 |
| 113 | Audi World Audi cars owners message boards | 1824900 | 46200 |
| 114 | All Ford Mustangs Ford Mustang enthusiasts message board | 1816124 | 84049 |
| 115 | NLOC National Lightning Owners Club forums | 1768296 | 24482 |
| 116 | Honda Society Honda owners community | 1762581 | 19745 |
| 117 | Ranger Power Sports Ford Ranger owners community | 1747110 | 66783 |
| 118 | BTCF Finnish BMW enthusiasts | 1739209 | 29634 |
| 119 | S-Series forum Chevrolet S-Series trucks forums | 1720320 | 6562 |
| 120 | Black Mustang Club Forums Ford Mustang enthusiasts message board | 1701941 | 12582 |
| 121 | Skyline Owners Nissan Skyline owners forum | 1687075 | 33241 |
| 122 | Supra Forums Toyota Supra owners message boards | 1683668 | 59676 |
| 123 | Prelude online Honda prelude owners community | 1671099 | 62658 |
| 124 | Acura world Honda Acura forums | 1630108 | 54822 |
| 125 | WebClub Subaru Subaru owners community (in french) | 1607784 | 10739 |
| 126 | Club Lexus Lexus cars discussion forums | 1597444 | 46427 |
| 127 | DTM Power BMW tuning forums | 1578729 | 68549 |
| 128 | Ford power Ford cars discussion forums | 1564265 | 11327 |
| 129 | Volvo Speed Volvo performance and repair information | 1544598 | 27782 |
| 130 | The Z28 Forums Camaro Z28 forum | 1540500 | 31516 |
| 131 | Civic Type-R Civic Type-R owners forum | 1532921 | 27852 |
| 132 | Goldwing Facts Honda Goldwing forums | 1518440 | 39690 |
| 133 | Dodge Intrepid Dodge Intrepid and Chrysler message board | 1507164 | 26210 |
| 134 | Max Bimmer BMW owners community | 1468537 | 21887 |
| 135 | Modular Fords Mustangs discussion board | 1452846 | 37957 |
| 136 | Chevy Avalanche Fan Club Chevrolet Avalanche owners forum | 1448453 | 32145 |
| 137 | Ausrotary.com Australian rotary forums | 1395711 | 15802 |
| 138 | Honda Prelude Club Toronto Honda Prelude owners community | 1394052 | 6539 |
| 139 | Club Grand Prix Pontiac grand prix discussion forums | 1384425 | 14900 |
| 140 | Acura Legend Acura Legend owners community | 1381163 | 29389 |
| 141 | Fiesta Turbo Ford Fiesta tuning message boards | 1370289 | 10631 |
| 142 | Dodge Forum Dodge owners community | 1368496 | 88700 |
| 143 | Club Civic Honda Civic drivers forum | 1364411 | 31958 |
| 144 | Fast Fours Australian automotive discussion forums | 1337947 | 20903 |
| 145 | Club VW Golf Espana Spanish VolksWagen Golf forum | 1323445 | 30722 |
| 146 | JDM Universe JDM Honda car enthusiasts | 1321456 | 42935 |
| 147 | Contour Ford Contour message board | 1312758 | 20002 |
| 148 | Focus Fanatics Ford Focus message boards | 1306054 | 40325 |
| 149 | Land Rover UK UK based Land Rover community | 1300669 | 41528 |
| 150 | MX5 Passion Mazda MX-5 owners community (in italian) | 1286639 | 4858 |
| 151 | Ford Forums Ford cars and trucks owners community | 1273187 | 81615 |
| 152 | V6Z24.com Chevrolet Cavalier Z24 owners community | 1271340 | 18578 |
| 153 | 240SX Forums Nissan 240SX owners forums | 1268618 | 69080 |
| 154 | Club Civic Quebec Car clubs forum | 1267418 | 10394 |
| 155 | Nissan forums Nissan owners message board | 1265169 | 103750 |
| 156 | Crownvic Crown Victoria and Ford V8 enthousiasts forums | 1209871 | 9093 |
| 157 | MX6 Mazda MX6 forums | 1206012 | 40796 |
| 158 | Aulro Australian Land Rover owners community | 1198947 | 16125 |
| 159 | Benz World Mercedes Benz owners forums | 1195229 | 53164 |
| 160 | STL Mustangs Ford Mustang forums | 1156277 | 6559 |
| 161 | Trailvoy Chevrolet Trailblazer forum | 1119695 | 101753 |
| 162 | Civinfo Honda civic forum | 1118229 | 39778 |
| 163 | The Diesel Garage Diesel engines discussion forums | 1099021 | 35392 |
| 164 | 914 Club Porsche 914 Community Website | 1077363 | 17388 |
| 165 | Honda Motor Honda motor discussion board in Russian | 1071099 | 12965 |
| 166 | DSM Source DSM enthusiast community | 1042753 | 30422 |
| 167 | Ultimate Subaru Subaru message board | 1041391 | 34087 |
| 168 | DSM talk Diamond star motors forums | 1040034 | 21582 |
| 169 | Freshalloy Nissan vehicles owners forums | 1029464 | 33805 |
| 170 | Honda Vision Honda discussion forum | 1024197 | 2180 |
| 171 | Grand Am GT Pontiac Grand Am owners forum | 1021520 | 21833 |
| 172 | Ephatch Honda Civic owners forums | 1018678 | 13834 |
| 173 | Miata.net Mazda Miata owners forums | 998300 | 19869 |
| 174 | Clio sport Renault Clio owners forum | 991798 | 9933 |
| 175 | The V Board Nissan Sentra discussion forum | 972071 | 11045 |
| 176 | Opel Problemforum Opel forum (in German) | 945116 | 54823 |
| 177 | GTR.co.uk Nissan GTR and Skyline Owners Forum | 941638 | 18161 |
| 178 | Element Owners Club Honda Element forum | 913756 | 45002 |
| 179 | Honda Swap A Honda/Acura Technical resource | 891797 | 37024 |
| 180 | Camaro V6 Camaro and Firebird fans forum | 878345 | 12250 |
| 181 | Acura-cl Acura enthousiasts message boards | 871703 | 57390 |
| 182 | Yota Tech Toyota Offroad Forums | 866673 | 16121 |
| 183 | J-Body GM enthusiasts forums | 835400 | 17292 |
| 184 | No Pistons Mazda RX7 message board | 810159 | 30127 |
| 185 | Acura-TL Acura owners community | 787351 | 57396 |
| 186 | Focal jet Ford Focus owners community | 772099 | 12221 |
| 187 | Golf4.de VW Golf 4 forum (in German) | 722228 | 14807 |
| 188 | Corvette Action Center Corvette message board | 715411 | 23055 |
| 189 | Golf3.de Volkswagen Golf forum (in German) | 702544 | 21751 |
| 190 | PT Enthusiasts Chrysler PT Cruiser owners community | 618204 | 7291 |
| 191 | BMW 7er BMW 7series discussion board in German | 603825 | 10718 |
| 192 | Viper alley Dodge viper discussion forum | 594443 | 4491 |
| 193 | Eclipse Forums Mitsubishi Eclipse enthousiasts message board | 497616 | 13012 |
| 194 | Ford vs Chevy Ford and Chevrolet message board | 304797 | 1901 |
| 195 | Michigan Jeepers - discontinued Michigan Jeeps owners community | 310 | 4624 |