2025 Gmc Yukon At4 Diesel Mpg. Find information on performance, specs, engine, safety and more. The motortrend buyer's guide has the 2025 gmc yukon xl specs you need, from dimensions and cargo space to power and mpgs.
According to gm authority sources, the upcoming 2025 gmc yukon at4 will offer the 3.0l i6 lz0 turbodiesel duramax engine, the same diesel engine found under the hood of. The diesel engine is predictably more efficient, earning ratings of up to 21 mpg city and 27 mpg highway, but these figures are most likely to shift due to the updates for 2025.
