2025 Yukon At4 Review

2025 Yukon At4 Review. This engine returned 17 mpg overall in our tests of the 2021. A new at4 ultimate model joins the range, and the optional diesel engine is now available on all trim levels.

Hey everyone, im a little stumped right now and weighting the difference between a new 2025 yukon at4 and a new 2024 yukon at4, overall the new yukon at4 seems to be. A new at4 ultimate model joins the range, and the optional diesel engine is now available on all trim levels.