| Rank | Board name and description | Posts | Members |
| 1 | Corvette Forum Chevrolet corvette forum | 26881718 | 188091 |
| 2 | LS2 General Motors discussion board | 9943906 | 22164 |
| 3 | LS1 Tech Chevrolet and GM enthousiasts discussion | 8200286 | 121533 |
| 4 | S10 forum Chevrolet S-Series trucks enthousiasts forums | 5220492 | 41722 |
| 5 | CamaroZ28.com Chevrolet Camaro Z28 discussion forums | 4274298 | 77413 |
| 6 | Third Gen Chevrolet camaro owners forums | 3690682 | 80691 |
| 7 | Full Size Chevy GM SUVs and trucks forums | 3009276 | 89343 |
| 8 | 67-72 Chevy Trucks Chevrolet and GMC Pickup forums | 2569202 | 41352 |
| 9 | Colorado K5 Chevrolet and GM trucks message boards | 2221542 | 45575 |
| 10 | GM Full Size General Motors trucks community | 2010621 | 14967 |
| 11 | S-Series forum Chevrolet S-Series trucks forums | 1652237 | 8171 |
| 12 | LS1 Chevrolet Camaro message boards | 1458170 | 41980 |
| 13 | Chevy Avalanche Fan Club Chevrolet Avalanche owners forum | 1448453 | 32145 |
| 14 | GM Inside News Chevrolet, Pontica, Cadillac and other GM brands forums | 1347940 | 35588 |
| 15 | V6Z24.com Chevrolet Cavalier Z24 owners community | 1114298 | 15596 |
| 16 | Ford vs Chevy Ford and Chevrolet message board | 865714 | 4303 |
| 17 | Camaro V6 Camaro and Firebird fans forum | 829127 | 11816 |
| 18 | Trailvoy Chevrolet Trailblazer forum | 531555 | 23601 |