2025 Gmc Yukon Xl At4 Ultimate Features. In the 2025 model year, gmc offers four trim levels in the yukon xl, including the base model 2wd or 4wd elevation, the 4wd at4, the 4wd at4 ultimate, the 4wd denali,. You’ll get the premium interior.
Specs & features gmc yukon xl at4 ultimate 4wd. Gmc / 2025 yukon / specs & features;