2025 Yukon Xl At4 Ultimate Towing Capacity

2025 Yukon Xl At4 Ultimate Towing Capacity. Find information on performance, specs, engine, safety and more. Find information on performance, specs,.

For the first time, this diesel engine is available in both the gmc at4 and the new at4 ultimate trims. Maximum towing capacity is 8,400 lbs for yukon and 8,200 lbs for yukon xl, though gmc doesn’t mention which engine configuration provides that capacity.