| Rank | Board name and description | Posts | Members |
| 1 | VW vortex forums Volkswagen and related car brands discussion boards | 44387821 | 390743 |
| 2 | Honda tech Honda cars enthusiasts forums | 32206837 | 287263 |
| 3 | Corvette Forum Chevrolet corvette forum | 26772232 | 187296 |
| 4 | NASIOC Forums Forums of the North American Subaru Impreza Owners Club | 21349085 | 169811 |
| 5 | Club RSX Honda RSX fans forums | 18576897 | 99627 |
| 6 | Bimmerforums BMW car brand message boards | 12542429 | 173599 |
| 7 | S2KI Honda S2000 owners community | 12541727 | 67552 |
| 8 | LS2 General Motors discussion board | 9911419 | 22127 |
| 9 | LS1 Tech Chevrolet and GM enthousiasts discussion | 8150557 | 121032 |
| 10 | ClubSI Honda Civic SI owners forum | 7704147 | 55094 |
| 11 | E46 fanatics BMW 3-series owners community | 7664734 | 118285 |
| 12 | Scoobynet Subaru Impreza owners community | 7628576 | 81000 |
| 13 | Pirate 4x4 4x4 message boards | 7024074 | 113710 |
| 14 | SVT performance General Ford cars discussion forums | 6455438 | 72322 |
| 15 | Jeepsunlimited.com Forums Discussion and marketplace about Jeeps | 5944298 | 93862 |
| 16 | Ford Trucks Ford trucks and vans forums | 5892067 | 461603 |
| 17 | SRT Forums Dodge and Chrysler owners community | 5580205 | 62981 |
| 18 | EvolutionM Mitsubishi Lancer enthusiasts Community | 5566596 | 83498 |
| 19 | Rennlist Porsche owners forums | 5294621 | 61302 |
| 20 | S10 forum Chevrolet S-Series trucks enthousiasts forums | 5199605 | 41215 |
| 21 | MY350Z Nissan 350Z forums, gallery and chat | 5098337 | 99523 |
| 22 | Mustang world Ford Mustang fanatics message boards | 5078611 | 40751 |
| 23 | Jeep Forum Jeep message boards | 5020452 | 150206 |
| 24 | Mustang Forums Ford Mustang owners forum | 5011367 | 92811 |
| 25 | Corsa Sport Vauxhall, Opel, and Holden message boards | 5009791 | 26217 |
| 26 | Maxima.org Nissan maxima fanatics forums | 4973706 | 81360 |
| 27 | Corral.net Ford mustang message boards | 4809061 | 105826 |
| 28 | BMW FAQ BMW enthusiast Spanish board | 4604334 | 60611 |
| 29 | Ford Truck World Ford trucks forums | 4593333 | 154775 |
| 30 | RX-7 Club Mazda RX-7 forums | 4415016 | 95073 |
| 31 | 3SI Mitsubishi 3000GT/Stealth forums | 4324607 | 28682 |
| 32 | CamaroZ28.com Chevrolet Camaro Z28 discussion forums | 4262393 | 77249 |
| 33 | DFWstangs Ford Mustand discussion forums | 4036922 | 26249 |
| 34 | Probe Talk Ford Probe owners forums | 3955371 | 29347 |
| 35 | SXOC Nissan 200SX owners club forums | 3946934 | 17535 |
| 36 | my.IS Lexus IS 300 message boards | 3935345 | 56611 |
| 37 | Civic Forums Honda civic enthousiasts forums | 3750455 | 49373 |
| 38 | Super Honda Honda owners community | 3741982 | 137054 |
| 39 | Third Gen Chevrolet camaro owners forums | 3681372 | 80271 |
| 40 | Mazdas 247 Mazda enthusiasts discussion board | 3671008 | 54868 |
| 41 | MSProtege Mazda owners forums | 3670994 | 54868 |
| 42 | NICO forums Nissan and Infiniti message boards | 3670725 | 96175 |
| 43 | Ferrari Chat Ferrari fans and owners community | 3650479 | 56086 |
| 44 | New Celica Toyota Celica discussion forums | 3592475 | 31948 |
| 45 | MIGWeb Vauxhall - Opel message boards | 3513174 | 39473 |
| 46 | The Sportbike Network Motorbike racing and performance forum | 3501707 | 85975 |
| 47 | The Diesel Stop Ford Diesel message board | 3457029 | 80069 |
| 48 | Nissan Club Nissan Altima cars forums | 3361057 | 81742 |
| 49 | 3.8 mustang Ford mustang owners community | 3354600 | 19726 |
| 50 | BMW Club BMW owners community (in Russian) | 3342278 | 28865 |
| 51 | Honda-Acura.net Honda cars message boards | 3324293 | 90544 |
| 52 | Pelican Parts Porsche and BMW message boards | 3255593 | 46386 |
| 53 | IH8MUD Land Cruiser Forum | 3172872 | 33093 |
| 54 | Mini 2 Mini owners community | 3172094 | 55693 |
| 55 | F150 Online Ford F150 community | 3130419 | 132066 |
| 56 | Passion Ford Ford message boards | 3115397 | 34465 |
| 57 | Bimmerfest BMW owners community | 3115004 | 119175 |
| 58 | MB world Mercedes-Benz owners message boards | 3019864 | 83159 |
| 59 | Full Size Chevy GM SUVs and trucks forums | 2995275 | 88911 |
| 60 | M3 Forum BMW M3 owners community | 2949448 | 87967 |
| 61 | Stangnet Ford mustang enthousiasts message boards | 2928651 | 133796 |
| 62 | Exriders Honda motorbikes discussion forums | 2915485 | 75208 |
| 63 | G35 Driver Nissan G35 enthusiasts community | 2817436 | 61445 |
| 64 | 67-72 Chevy Trucks Chevrolet and GMC Pickup forums | 2557980 | 41178 |
| 65 | Corsa-C UK Vauxhall Corsa C sports club | 2292879 | 14654 |
| 66 | Dodge Talk Dodge enthusiasts community | 2281337 | 122617 |
| 67 | BMW-Treff BMW owners community | 2276334 | 60366 |
| 68 | RX8 Club Mazda RX-8 owners forum | 2261549 | 44174 |
| 69 | Colorado K5 Chevrolet and GM trucks message boards | 2216777 | 45484 |
| 70 | North American Motoring Mini message boards | 2207186 | 50506 |
| 71 | I-Club Subaru owners community | 2188350 | 31059 |
| 72 | B15 Sentra Nissan Sentra owners forums | 2171384 | 22239 |
| 73 | American Jeepers American Jeepers discussion board | 2123374 | 9113 |
| 74 | TDI Club VW TDI engine message boards | 2118318 | 55852 |
| 75 | SR20 Forum Nissan SR20 community | 2116762 | 27425 |
| 76 | Club WRX Subaru Impreza owners community | 2082831 | 52056 |
| 77 | DSM tuners Eagle / DSM cars tuning forums | 2015216 | 85733 |
| 78 | GM Full Size General Motors trucks community | 1994048 | 14874 |
| 79 | Zilvia Nissan 240sx discussion board | 1975308 | 51907 |
| 80 | Toyota Nation Toyota cars enthusiasts forum | 1897786 | 103396 |
| 81 | Dodge Diesel Diesel Truck resource board | 1887468 | 50158 |
| 82 | Honda Hookup Honda and Acura owners message boards | 1873514 | 179658 |
| 83 | Neons Neon enthusiasts discussion board | 1842379 | 18576 |
| 84 | Nissan Silvia Nissan Silvia owners forums | 1835429 | 39997 |
| 85 | Audi World Audi cars owners message boards | 1824900 | 46200 |
| 86 | Turbo Diesel Register Dodge turbo diesel trucks message board | 1819603 | 33851 |
| 87 | IWSTI Subaru Impreza STI owners community | 1808868 | 33985 |
| 88 | Volks Zone UK based Volkswagen Discussion group | 1762274 | 33065 |
| 89 | NewTiburon Tiburon discussion board | 1740185 | 18866 |
| 90 | Explorer Forum Ford Explorer enthousiasts community | 1691926 | 81868 |
| 91 | Audisport Iberica Audi Forum (in Spanish) | 1684977 | 25204 |
| 92 | Supra Forums Toyota Supra owners message boards | 1683668 | 59676 |
| 93 | Mercedes Shop Mercedes owners community | 1673752 | 34322 |
| 94 | Prelude online Honda prelude owners community | 1671099 | 62658 |
| 95 | S-Series forum Chevrolet S-Series trucks forums | 1651782 | 8086 |
| 96 | Full size bronco Ford Bronco and national 4x4 club forum | 1633894 | 25845 |
| 97 | Club3G Mitsubishi Eclipse owners forums | 1606682 | 13863 |
| 98 | Auto Power Swedish BMW owners forum | 1606122 | 39009 |
| 99 | Club Lexus Lexus cars discussion forums | 1597444 | 46427 |
| 100 | 600RR Honda 600RR enthusiasts community | 1581003 | 28200 |
| 101 | DTM Power BMW tuning forums | 1578729 | 68549 |
| 102 | Ford power Ford cars discussion forums | 1563616 | 10477 |
| 103 | Civic Type-R Civic Type-R owners forum | 1532921 | 27852 |
| 104 | Cadillac Forums Forum for Cadillac owners and enthusiasts | 1498794 | 72061 |
| 105 | BMW Passion Italian BMW cars community | 1487376 | 11061 |
| 106 | Club GTI VW Golf GTI fans community | 1448573 | 28765 |
| 107 | Ranger Power Sports Ford Ranger owners community | 1448500 | 53210 |
| 108 | Chevy Avalanche Fan Club Chevrolet Avalanche owners forum | 1448453 | 32145 |
| 109 | LS1 Chevrolet Camaro message boards | 1447259 | 41797 |
| 110 | Black Mustang Club Forums Ford Mustang enthusiasts message board | 1436624 | 9736 |
| 111 | Prelude Power Honda Entusiasts discussion board | 1435534 | 20970 |
| 112 | Turbo Buick Buick owners community | 1401202 | 21767 |
| 113 | Ausrotary.com Australian rotary forums | 1395711 | 15802 |
| 114 | NLOC National Lightning Owners Club forums | 1386661 | 18071 |
| 115 | Club Grand Prix Pontiac grand prix discussion forums | 1384425 | 14900 |
| 116 | Fiesta Turbo Ford Fiesta tuning message boards | 1370289 | 10631 |
| 117 | Club Civic Honda Civic drivers forum | 1364411 | 31958 |
| 118 | GM Inside News Chevrolet, Pontica, Cadillac and other GM brands forums | 1342506 | 35449 |
| 119 | Fast Fours Australian automotive discussion forums | 1337947 | 20903 |
| 120 | Acura world Honda Acura forums | 1325612 | 34279 |
| 121 | Contour Ford Contour message board | 1312758 | 15733 |
| 122 | Focus Fanatics Ford Focus message boards | 1306054 | 40325 |
| 123 | Club VW Golf Espana Spanish VolksWagen Golf forum | 1296319 | 30188 |
| 124 | Dodge Forum Dodge owners community | 1294905 | 84733 |
| 125 | MX5 Passion Mazda MX-5 owners community (in italian) | 1286639 | 4858 |
| 126 | JDM Universe JDM Honda car enthusiasts | 1278247 | 39324 |
| 127 | Club Civic Quebec Car clubs forum | 1267418 | 10394 |
| 128 | Honda Society Honda owners community | 1263034 | 12522 |
| 129 | WebClub Subaru Subaru owners community (in french) | 1253918 | 9385 |
| 130 | Volvo Speed Volvo performance and repair information | 1249843 | 23069 |
| 131 | Ford Forums Ford cars and trucks owners community | 1219940 | 50842 |
| 132 | Crownvic Crown Victoria and Ford V8 enthousiasts forums | 1209871 | 9093 |
| 133 | MX6 Mazda MX6 forums | 1206012 | 40796 |
| 134 | Seat Cupra Seat owners community | 1204955 | 28613 |
| 135 | Benz World Mercedes Benz owners forums | 1195229 | 53164 |
| 136 | 240SX Forums Nissan 240SX owners forums | 1167971 | 57376 |
| 137 | UKGS'er BMW GS motorcycle community | 1166100 | 7230 |
| 138 | Acura Legend Acura Legend owners community | 1164061 | 20192 |
| 139 | Dallas Imports A local forum for Dallas import enthusiasts | 1149440 | 8840 |
| 140 | Nissan forums Nissan owners message board | 1126455 | 69270 |
| 141 | Dodge Intrepid Dodge Intrepid and Chrysler message board | 1123339 | 22945 |
| 142 | V6Z24.com Chevrolet Cavalier Z24 owners community | 1112571 | 15573 |
| 143 | Modded Mustangs Ford Mustang tuning forums | 1110988 | 17187 |
| 144 | Max Bimmer BMW owners community | 1103593 | 13348 |
| 145 | Honda Motor Honda motor discussion board in Russian | 1071099 | 12965 |
| 146 | BTCF Finnish BMW enthusiasts | 1048475 | 31477 |
| 147 | DSM talk Diamond star motors forums | 1040034 | 21582 |
| 148 | Land Rover UK UK based Land Rover community | 1031941 | 27495 |
| 149 | Freshalloy Nissan vehicles owners forums | 1029464 | 33805 |
| 150 | Modular Fords Mustangs discussion board | 1028612 | 30667 |
| 151 | Honda Vision Honda discussion forum | 1024197 | 2180 |
| 152 | DSM Source DSM enthusiast community | 1012735 | 26023 |
| 153 | 1000rr Honda CBR 1000RR motorcycle forum | 999818 | 9641 |
| 154 | Miata.net Mazda Miata owners forums | 998300 | 19869 |
| 155 | Honda Prelude Club Toronto Honda Prelude owners community | 995136 | 4491 |
| 156 | Clio sport Renault Clio owners forum | 991798 | 9933 |
| 157 | The V Board Nissan Sentra discussion forum | 972071 | 11045 |
| 158 | All Ford Mustangs Ford Mustang enthusiasts message board | 964597 | 50056 |
| 159 | STL Mustangs Ford Mustang forums | 922400 | 5225 |
| 160 | Honda Swap A Honda/Acura Technical resource | 891797 | 37024 |
| 161 | GTR.co.uk Nissan GTR and Skyline Owners Forum | 886419 | 17175 |
| 162 | Acura-cl Acura enthousiasts message boards | 871703 | 57390 |
| 163 | Yota Tech Toyota Offroad Forums | 866673 | 16121 |
| 164 | Ford vs Chevy Ford and Chevrolet message board | 864689 | 4299 |
| 165 | 914 Club Porsche 914 Community Website | 852868 | 10167 |
| 166 | Grand Am GT Pontiac Grand Am owners forum | 847998 | 12962 |
| 167 | J-Body GM enthusiasts forums | 835400 | 17292 |
| 168 | Camaro V6 Camaro and Firebird fans forum | 826845 | 11791 |
| 169 | No Pistons Mazda RX7 message board | 808199 | 29785 |
| 170 | Acura-TL Acura owners community | 787351 | 57396 |
| 171 | Focal jet Ford Focus owners community | 772099 | 12221 |
| 172 | Maxrev Honda message boards | 678388 | 18958 |
| 173 | The Diesel Garage Diesel engines discussion forums | 621300 | 19323 |
| 174 | The Fiat Forum Fiat discussion board | 608930 | 13701 |
| 175 | PT Enthusiasts Chrysler PT Cruiser owners community | 606381 | 6355 |
| 176 | BMW 7er BMW 7series discussion board in German | 603825 | 10718 |
| 177 | Viper alley Dodge viper discussion forum | 594443 | 4491 |
| 178 | Element Owners Club Honda Element forum | 589871 | 25919 |
| 179 | Trailvoy Chevrolet Trailblazer forum | 527871 | 23347 |
| 180 | Eclipse Forums Mitsubishi Eclipse enthousiasts message board | 497616 | 13012 |
| 181 | Ephatch Honda Civic owners forums | 415082 | 5838 |
| 182 | Michigan Jeepers - discontinued Michigan Jeeps owners community | 310 | 4624 |