| Rank | Board name and description | Posts | Members |
| 1 | VW vortex forums Volkswagen and related car brands discussion boards | 57100553 | 492548 |
| 2 | Forocoches Spanish cars message boards | 46455107 | 422797 |
| 3 | Honda tech Honda cars enthusiasts forums | 34644340 | 297178 |
| 4 | Corvette Forum Chevrolet corvette forum | 31569162 | 228766 |
| 5 | Club RSX Honda RSX fans forums | 29834487 | 122538 |
| 6 | NASIOC Forums Forums of the North American Subaru Impreza Owners Club | 27726788 | 219369 |
| 7 | Forum Auto Automotive discussion (in french) | 24412819 | 427603 |
| 8 | Motor-talk.de German automotive discussion forums | 22226631 | 1357090 |
| 9 | Neons Neon enthusiasts discussion board | 18703170 | 19580 |
| 10 | Bimmerforums BMW car brand message boards | 17198632 | 243418 |
| 11 | S2KI Honda S2000 owners community | 16616587 | 85250 |
| 12 | Elaborare Italian car and bike tuning community | 13315678 | 66659 |
| 13 | LS2 General Motors discussion board | 12011673 | 24396 |
| 14 | LS1 Tech Chevrolet and GM enthousiasts discussion | 11114678 | 158441 |
| 15 | E46 fanatics BMW 3-series owners community | 10621323 | 152354 |
| 16 | Lay it low Lowriding fans message boards | 10035074 | 56539 |
| 17 | Houston imports Houston import race scene forums | 9871661 | 45361 |
| 18 | Pirate 4x4 4x4 message boards | 9114916 | 145680 |
| 19 | SVT performance General Ford cars discussion forums | 8843368 | 95525 |
| 20 | Scoobynet Subaru Impreza owners community | 8755804 | 105933 |
| 21 | Hifi Forum German audio and video message boards | 8352294 | 510030 |
| 22 | ClubSI Honda Civic SI owners forum | 7704147 | 55094 |
| 23 | EvolutionM Mitsubishi Lancer enthusiasts Community | 7581471 | 113294 |
| 24 | Boostcruising Steet cruising and automotive forums | 7281182 | 108444 |
| 25 | Jeep Forum Jeep message boards | 7171807 | 215268 |
| 26 | SRT Forums Dodge and Chrysler owners community | 7161282 | 75095 |
| 27 | BMW FAQ BMW enthusiast Spanish board | 7064162 | 92994 |
| 28 | 8th Civic 8th generation honda civic forum | 6949789 | 60966 |
| 29 | S10 forum Chevrolet S-Series trucks enthousiasts forums | 6565683 | 55002 |
| 30 | MY350Z Nissan 350Z forums, gallery and chat | 6543426 | 127218 |
| 31 | MTB news German mountain bike discussion forums | 6362201 | 164837 |
| 32 | Corsa Sport Vauxhall, Opel, and Holden message boards | 6223657 | 31368 |
| 33 | Montreal racing Car racing in Quebec (in french and english) message boards | 6204710 | 57062 |
| 34 | Motor Forum Dutch motors discussion forums | 6160039 | 50545 |
| 35 | Rennlist Porsche owners forums | 6053856 | 65856 |
| 36 | Ford Trucks Ford trucks and vans forums | 5892067 | 461603 |
| 37 | Mustang world Ford Mustang fanatics message boards | 5645955 | 48031 |
| 38 | VA Driven Virginia automotive ethusiast forum | 5626437 | 42266 |
| 39 | Automotive Forums Multi-brand automotive message boards | 5606188 | 632257 |
| 40 | Tampa Racing Car racing community | 5356958 | 71948 |
| 41 | Mustang Forums Ford Mustang owners forum | 5341985 | 97420 |
| 42 | Living With Style General discussion message board | 5310562 | 83482 |
| 43 | NICO forums Nissan and Infiniti message boards | 5180291 | 137635 |
| 44 | 3SI Mitsubishi 3000GT/Stealth forums | 5101480 | 30363 |
| 45 | DFWstangs Ford Mustand discussion forums | 5090127 | 36633 |
| 46 | Ferrari Chat Ferrari fans and owners community | 5058973 | 71648 |
| 47 | Maxima.org Nissan maxima fanatics forums | 4973706 | 81360 |
| 48 | CamaroZ28.com Chevrolet Camaro Z28 discussion forums | 4933560 | 85457 |
| 49 | SXOC Nissan 200SX owners club forums | 4881694 | 22154 |
| 50 | Corral.net Ford mustang message boards | 4809061 | 105826 |
| 51 | Supercars General automotive discussion forums | 4803776 | 177361 |
| 52 | IH8MUD Land Cruiser Forum | 4776673 | 45899 |
| 53 | What Boys Want Cars and babes forums | 4759526 | 125324 |
| 54 | Mazdas 247 Mazda enthusiasts discussion board | 4672895 | 80971 |
| 55 | MSProtege Mazda owners forums | 4672886 | 80971 |
| 56 | Ford Truck World Ford trucks forums | 4593333 | 154775 |
| 57 | my.IS Lexus IS 300 message boards | 4578035 | 74553 |
| 58 | Bimmerfest BMW owners community | 4533556 | 172631 |
| 59 | RX-7 Club Mazda RX-7 forums | 4415016 | 95073 |
| 60 | Probe Talk Ford Probe owners forums | 4299983 | 30554 |
| 61 | M3 Forum BMW M3 owners community | 4292055 | 111674 |
| 62 | G35 Driver Nissan G35 enthusiasts community | 4278845 | 86520 |
| 63 | Third Gen Chevrolet camaro owners forums | 4259900 | 108009 |
| 64 | Jeepsunlimited.com Forums Discussion and marketplace about Jeeps | 4101057 | 102816 |
| 65 | 3.8 mustang Ford mustang owners community | 4039755 | 22969 |
| 66 | Super Honda Honda owners community | 4035644 | 149295 |
| 67 | Full Size Chevy GM SUVs and trucks forums | 4017107 | 114043 |
| 68 | The Sportbike Network Motorbike racing and performance forum | 4009188 | 100207 |
| 69 | MIGWeb Vauxhall - Opel message boards | 3970852 | 48402 |
| 70 | MB world Mercedes-Benz owners message boards | 3960666 | 127708 |
| 71 | F150 Online Ford F150 community | 3959518 | 157144 |
| 72 | Honda-Acura.net Honda cars message boards | 3862590 | 104006 |
| 73 | Race Sim Central Car racing simulations discussion forums | 3810147 | 127255 |
| 74 | Civic Forums Honda civic enthousiasts forums | 3750455 | 49373 |
| 75 | Nissan Club Nissan Altima cars forums | 3740350 | 98869 |
| 76 | Volks Zone UK based Volkswagen Discussion group | 3701155 | 45221 |
| 77 | New Celica Toyota Celica discussion forums | 3592475 | 31948 |
| 78 | Talk Audio Car audio discussion forum | 3552364 | 33672 |
| 79 | The Diesel Stop Ford Diesel message board | 3457029 | 80069 |
| 80 | GM Full Size General Motors trucks community | 3446770 | 23007 |
| 81 | 67-72 Chevy Trucks Chevrolet and GMC Pickup forums | 3421174 | 59923 |
| 82 | Stangnet Ford mustang enthousiasts message boards | 3411411 | 147459 |
| 83 | Exriders Honda motorbikes discussion forums | 3386875 | 89846 |
| 84 | BMW Club BMW owners community (in Russian) | 3342278 | 28865 |
| 85 | Mini 2 Mini owners community | 3305791 | 43233 |
| 86 | BARF Bay Area Riders Forum | 3274696 | 22566 |
| 87 | Pelican Parts Porsche and BMW message boards | 3255593 | 46386 |
| 88 | Skylines Australia Australian automotive forum | 3250547 | 33042 |
| 89 | ScionLife Home of the Scion xA, Scion xB and Scion tC owner and enthusiast | 3238756 | 61170 |
| 90 | Passion Ford Ford message boards | 3115397 | 34465 |
| 91 | Beyond.ca Canadian car forums | 3089037 | 66587 |
| 92 | Corsa-C UK Vauxhall Corsa C sports club | 3062415 | 20225 |
| 93 | Zilvia Nissan 240sx discussion board | 3040423 | 69816 |
| 94 | RX8 Club Mazda RX-8 owners forum | 3038811 | 59321 |
| 95 | BMW Passion Italian BMW cars community | 2905080 | 22258 |
| 96 | North American Motoring Mini message boards | 2896526 | 73004 |
| 97 | Edmunds Automotive Forums | 2829351 | 397694 |
| 98 | I-Club Subaru owners community | 2744770 | 37087 |
| 99 | TDI Club VW TDI engine message boards | 2710537 | 70555 |
| 100 | Turbo Bricks Car performance forums | 2676595 | 29209 |
| 101 | IWSTI Subaru Impreza STI owners community | 2651653 | 50476 |
| 102 | 502 Streetscene Automotive Discussion Forum | 2649788 | 7835 |
| 103 | SG House Singapore property and rental forum | 2636994 | 31938 |
| 104 | Nissan Silvia Nissan Silvia owners forums | 2601206 | 50103 |
| 105 | BMW-Treff BMW owners community | 2588330 | 67810 |
| 106 | Colorado K5 Chevrolet and GM trucks message boards | 2576585 | 53336 |
| 107 | Ten Tenths Motorsports message board | 2545604 | 30088 |
| 108 | Speed TV Motorsports message boards | 2527547 | 109643 |
| 109 | Chevelles.com Chevrolet Corvette forum | 2487901 | 50987 |
| 110 | Offshore only Offshore boating enthousiasts forums | 2437837 | 42702 |
| 111 | Dodge Diesel Diesel Truck resource board | 2430150 | 88289 |
| 112 | Audisport Iberica Audi Forum (in Spanish) | 2417586 | 40557 |
| 113 | Modded Mustangs Ford Mustang tuning forums | 2385923 | 29461 |
| 114 | ATV Connection ATV discussion forums | 2371815 | 85348 |
| 115 | B15 Sentra Nissan Sentra owners forums | 2366602 | 26207 |
| 116 | Dodge Talk Dodge enthusiasts community | 2349767 | 125898 |
| 117 | 600RR Honda 600RR enthusiasts community | 2270172 | 42261 |
| 118 | Club WRX Subaru Impreza owners community | 2249922 | 60097 |
| 119 | RC web Racing car forums (in Thai) | 2158030 | 94117 |
| 120 | Full size bronco Ford Bronco and national 4x4 club forum | 2157122 | 36442 |
| 121 | Calais Turbo Australian car forum | 2154987 | 29335 |
| 122 | Track Forum Racing discussion board | 2140682 | 9264 |
| 123 | American Jeepers American Jeepers discussion board | 2123374 | 9113 |
| 124 | SR20 Forum Nissan SR20 community | 2116762 | 27425 |
| 125 | NewTiburon Tiburon discussion board | 2107255 | 28564 |
| 126 | LS1 Chevrolet Camaro message boards | 2106779 | 46965 |
| 127 | Explorer Forum Ford Explorer enthousiasts community | 2058843 | 124094 |
| 128 | Cadillac Forums Forum for Cadillac owners and enthusiasts | 2031399 | 99069 |
| 129 | DSM tuners Eagle / DSM cars tuning forums | 2015216 | 85733 |
| 130 | Performance forums Cars and motorbikes performance forums | 2009051 | 35274 |
| 131 | Glamis Dunes Offroad and sand duning discussion forum | 1997712 | 30092 |
| 132 | Turbo Diesel Register Dodge turbo diesel trucks message board | 1987046 | 36314 |
| 133 | Prelude Power Honda Entusiasts discussion board | 1962123 | 27781 |
| 134 | Mercedes Shop Mercedes owners community | 1961753 | 39955 |
| 135 | Club3G Mitsubishi Eclipse owners forums | 1955003 | 18499 |
| 136 | Toyota Nation Toyota cars enthusiasts forum | 1897786 | 103396 |
| 137 | Turbo Buick Buick owners community | 1876196 | 26591 |
| 138 | Honda Hookup Honda and Acura owners message boards | 1873514 | 179658 |
| 139 | Zatzy Swedish car forum | 1866121 | 19006 |
| 140 | Great Lakes 4x4 4x4 message board | 1852849 | 12695 |
| 141 | Audi World Audi cars owners message boards | 1824900 | 46200 |
| 142 | GM Inside News Chevrolet, Pontica, Cadillac and other GM brands forums | 1823083 | 47176 |
| 143 | Auto Power Swedish BMW owners forum | 1814672 | 44936 |
| 144 | KawiForums.com Kawasaki ATV Forums | 1787955 | 34338 |
| 145 | UKGS'er BMW GS motorcycle community | 1771927 | 10378 |
| 146 | Club GTI VW Golf GTI fans community | 1757686 | 51058 |
| 147 | All Ford Mustangs Ford Mustang enthusiasts message board | 1723778 | 84580 |
| 148 | REVscene.net Vancouver and Pacific Northwest import modified car community | 1721316 | 17062 |
| 149 | Seat Cupra Seat owners community | 1711621 | 42429 |
| 150 | Black Mustang Club Forums Ford Mustang enthusiasts message board | 1699967 | 12289 |
| 151 | S-Series forum Chevrolet S-Series trucks forums | 1693058 | 5833 |
| 152 | Supra Forums Toyota Supra owners message boards | 1683668 | 59676 |
| 153 | Prelude online Honda prelude owners community | 1671099 | 62658 |
| 154 | NLOC National Lightning Owners Club forums | 1643324 | 21069 |
| 155 | Ranger Power Sports Ford Ranger owners community | 1643072 | 62566 |
| 156 | Club Lexus Lexus cars discussion forums | 1597444 | 46427 |
| 157 | Dallas Imports A local forum for Dallas import enthusiasts | 1596034 | 11589 |
| 158 | WebClub Subaru Subaru owners community (in french) | 1579744 | 10496 |
| 159 | DTM Power BMW tuning forums | 1578729 | 68549 |
| 160 | Ford power Ford cars discussion forums | 1564016 | 10881 |
| 161 | Racers Den Car racing forums | 1554590 | 2480 |
| 162 | Autoracing.com.br Brazilian motorsports forum (in portuguese) | 1553457 | 7486 |
| 163 | Volvo Speed Volvo performance and repair information | 1544598 | 27782 |
| 164 | Civic Type-R Civic Type-R owners forum | 1532921 | 27852 |
| 165 | 1000rr Honda CBR 1000RR motorcycle forum | 1513046 | 18003 |
| 166 | V6 Performance Forum for owners of V6 powered cars | 1510339 | 41752 |
| 167 | Acura world Honda Acura forums | 1503798 | 43784 |
| 168 | Team BHP Indian automotive forums | 1496674 | 55124 |
| 169 | The Z28 Forums Camaro Z28 forum | 1467405 | 27589 |
| 170 | Honda Society Honda owners community | 1457604 | 13928 |
| 171 | Chevy Avalanche Fan Club Chevrolet Avalanche owners forum | 1448453 | 32145 |
| 172 | Dodge Intrepid Dodge Intrepid and Chrysler message board | 1434109 | 25522 |
| 173 | Ausrotary.com Australian rotary forums | 1395711 | 15802 |
| 174 | Club Grand Prix Pontiac grand prix discussion forums | 1384425 | 14900 |
| 175 | Acura Legend Acura Legend owners community | 1376961 | 24780 |
| 176 | Fiesta Turbo Ford Fiesta tuning message boards | 1370289 | 10631 |
| 177 | Dodge Forum Dodge owners community | 1368496 | 88700 |
| 178 | Club Civic Honda Civic drivers forum | 1364411 | 31958 |
| 179 | Modular Fords Mustangs discussion board | 1356398 | 36108 |
| 180 | Auto Roule French automotive forums | 1343856 | 5688 |
| 181 | Tsikot Pinoy car lovers community | 1342035 | 82697 |
| 182 | Fast Fours Australian automotive discussion forums | 1337947 | 20903 |
| 183 | Club VW Golf Espana Spanish VolksWagen Golf forum | 1323445 | 30722 |
| 184 | JDM Universe JDM Honda car enthusiasts | 1321456 | 42935 |
| 185 | Contour Ford Contour message board | 1312758 | 15733 |
| 186 | Auto Racing Brazilian car racing forums | 1308851 | 6529 |
| 187 | Focus Fanatics Ford Focus message boards | 1306054 | 40325 |
| 188 | MP3Car Car computers forum | 1301218 | 120902 |
| 189 | Land Rover UK UK based Land Rover community | 1300669 | 41528 |
| 190 | Briskoda Skoda owners community | 1295438 | 34441 |
| 191 | Max Bimmer BMW owners community | 1294328 | 16413 |
| 192 | MX5 Passion Mazda MX-5 owners community (in italian) | 1286639 | 4858 |
| 193 | 240SX Forums Nissan 240SX owners forums | 1268618 | 69080 |
| 194 | Club Civic Quebec Car clubs forum | 1267418 | 10394 |
| 195 | Honda Prelude Club Toronto Honda Prelude owners community | 1255736 | 5764 |
| 196 | Ford Forums Ford cars and trucks owners community | 1248164 | 69251 |
| 197 | BTCF Finnish BMW enthusiasts | 1238548 | 23320 |
| 198 | Skyline Owners Nissan Skyline owners forum | 1217329 | 21972 |
| 199 | Nissan forums Nissan owners message board | 1210132 | 85132 |
| 200 | Crownvic Crown Victoria and Ford V8 enthousiasts forums | 1209871 | 9093 |
| 201 | V6Z24.com Chevrolet Cavalier Z24 owners community | 1209871 | 17115 |
| 202 | MX6 Mazda MX6 forums | 1206012 | 40796 |
| 203 | Autopia Car Detailing Forum | 1195689 | 61052 |
| 204 | Benz World Mercedes Benz owners forums | 1195229 | 53164 |
| 205 | UBRF.org Western New York Automotive Forum | 1162012 | 8093 |
| 206 | Hot Rodders Hotrodding discussion forum | 1155237 | 81277 |
| 207 | Tuning.pl Car tuning forum (in polish) | 1154240 | 9643 |
| 208 | Car and driver General automotive discussion | 1146383 | 16705 |
| 209 | STL Mustangs Ford Mustang forums | 1144133 | 6460 |
| 210 | Auto Extreme Car discussion board (in German) | 1108403 | 96999 |
| 211 | Camaro 5 Chevrolet Camaro forums | 1107572 | 18954 |
| 212 | Car Audio Australia Australian car audio forum | 1092496 | 26500 |
| 213 | Bilforumet Multi-brand cars forum (in Norwegian) | 1077532 | 18645 |
| 214 | Honda Motor Honda motor discussion board in Russian | 1071099 | 12965 |
| 215 | Columbus Racing Car racing community | 1060127 | 6247 |
| 216 | DSM talk Diamond star motors forums | 1040034 | 21582 |
| 217 | DSM Source DSM enthusiast community | 1038972 | 28851 |
| 218 | Freshalloy Nissan vehicles owners forums | 1029464 | 33805 |
| 219 | Honda Vision Honda discussion forum | 1024197 | 2180 |
| 220 | Forums Hawaii Hawaiian automotive community | 1016911 | 27775 |
| 221 | Pavement Sucks Forum about off-road vehicles | 1011116 | 11251 |
| 222 | Miata.net Mazda Miata owners forums | 998300 | 19869 |
| 223 | Clio sport Renault Clio owners forum | 991798 | 9933 |
| 224 | Auto Club Turkey Automotive Discussion (in Turkish) | 974549 | 62196 |
| 225 | The V Board Nissan Sentra discussion forum | 972071 | 11045 |
| 226 | Ephatch Honda Civic owners forums | 967117 | 12928 |
| 227 | 914 Club Porsche 914 Community Website | 958841 | 13559 |
| 228 | Ricecop Forums Car enthusiasts discussion board | 955247 | 2774 |
| 229 | Club GTI GTI cars discussion forum | 952547 | 9878 |
| 230 | Grand Am GT Pontiac Grand Am owners forum | 952398 | 17644 |
| 231 | GTR.co.uk Nissan GTR and Skyline Owners Forum | 941638 | 18161 |
| 232 | Ford vs Chevy Ford and Chevrolet message board | 916571 | 4573 |
| 233 | Barry Boys Old cars pictures forum | 913477 | 18310 |
| 234 | Maxrev Honda message boards | 905412 | 21457 |
| 235 | Blue traxx Yamaha ATV Forum | 897041 | 23749 |
| 236 | Honda Swap A Honda/Acura Technical resource | 891797 | 37024 |
| 237 | Down Force Brazilian car racing forum | 889114 | 2562 |
| 238 | Camaro V6 Camaro and Firebird fans forum | 878345 | 12250 |
| 239 | Acura-cl Acura enthousiasts message boards | 871703 | 57390 |
| 240 | Pagenstecher Tuning and performance forums (in German) | 869091 | 27692 |
| 241 | Jabbas World Car discussion site | 867937 | 48596 |
| 242 | Yota Tech Toyota Offroad Forums | 866673 | 16121 |
| 243 | Piston heads Automotive discussion forums | 864230 | 29300 |
| 244 | Goldwing Facts Honda Goldwing forums | 852577 | 26067 |
| 245 | Sound Domain Car audio hardware forums | 851050 | 48475 |
| 246 | Ultimate Subaru Subaru message board | 842428 | 27800 |
| 247 | J-Body GM enthusiasts forums | 835400 | 17292 |
| 248 | Trailvoy Chevrolet Trailblazer forum | 827814 | 53048 |
| 249 | No Pistons Mazda RX7 message board | 810159 | 30127 |
| 250 | SLUniverse Second Life forums | 807398 | 8607 |
| 251 | Aulro Australian Land Rover owners community | 805650 | 10811 |
| 252 | Element Owners Club Honda Element forum | 790604 | 34101 |
| 253 | Acura-TL Acura owners community | 787351 | 57396 |
| 254 | Focal jet Ford Focus owners community | 772099 | 12221 |
| 255 | Car Forum Misfits Cars message board | 768644 | 1007 |
| 256 | Lille Hardware Computer hardware community | 750996 | 5080 |
| 257 | Airstream Forums Airstream caravane owners community | 749182 | 37600 |
| 258 | Mopar Chat Car tuning and performance forums | 745421 | 49461 |
| 259 | Car Styling Car modification enthusiasts community | 742065 | 19213 |
| 260 | Golf4.de VW Golf 4 forum (in German) | 722228 | 14807 |
| 261 | New England Street Riders Motorcycles forum | 721793 | 3747 |
| 262 | Carros de Rua Brazilian Car Sound & Tuning forum | 708534 | 22517 |
| 263 | Chicago Velocity Chicago car enthusiast message board | 705946 | 3523 |
| 264 | ClemsonTalk Clemson University forums | 704006 | 2957 |
| 265 | The Diesel Garage Diesel engines discussion forums | 691635 | 21124 |
| 266 | Corvette Action Center Corvette message board | 677412 | 22103 |
| 267 | StreetRace.org Estonian Streetracing forums | 665554 | 11216 |
| 268 | StreetRace.co.uk Car tuning and racing forum | 658706 | 12481 |
| 269 | The Chicago Garage Cars message board | 624984 | 1885 |
| 270 | PT Enthusiasts Chrysler PT Cruiser owners community | 618204 | 7291 |
| 271 | The Fiat Forum Fiat discussion board | 608930 | 13701 |
| 272 | Velocidad Maxima Car modifications forums (in spanish) | 607732 | 6442 |
| 273 | BMW 7er BMW 7series discussion board in German | 603825 | 10718 |
| 274 | Viper alley Dodge viper discussion forum | 594443 | 4491 |
| 275 | Teardrops & Tiny Travel Trailers Travel trailer forums | 591310 | 9599 |
| 276 | High lifter ATV and quad discussion forums | 585700 | 11067 |
| 277 | Sound Solutions Audio Car audio forums | 574277 | 11164 |
| 278 | Texas Racing Scene Texas automotive forums | 549357 | 4829 |
| 279 | Driving Italia Italian racing forums | 530834 | 11328 |
| 280 | Eclipse Forums Mitsubishi Eclipse enthousiasts message board | 497616 | 13012 |
| 281 | Cars message board | 247398 | 987 |
| 282 | Motorsport Forums - discontinued Car racing and rallying discussion board | 8459 | 19829 |
| 283 | Michigan Jeepers - discontinued Michigan Jeeps owners community | 310 | 4624 |