[September 2026 Winners]
The October AT4 Forum Photo Contest is officially live! Whether you roll in a Sierra, HD, Canyon, or Yukon, this is your chance to show off your rig and claim Truck of the Month bragging rights. Post your best shot, earn the exclusive TOTM badge, and get your place on the AT4 Wall of Fame!
Enter your best GMC AT4 photo in this thread! (Only one photo per entry, and you must be the owner).
- Be sure to include a short caption describing your photo
- Voting closes at the end of month. Previous winners cannot participate again within 6 months of their last win.
- To cast your vote, just leave a positive reaction (like
) on the post you want to support. You can vote for multiple entries, and earlier posts have more time to accumulate votes! - The submission with the most positive votes/likes, wins!
We are under way!
Early entries have the longest to collect votes. Get yours in.
