Diesel engines offer a longer driving range per tank of fuel compared to gasoline engines. This can be advantageous for long-distance travel or road trips. engines deliver higher torque, which can result in better towing capacity. If you need a vehicle for towing trailers, boats, or other heavy loads, the Yukon XL SLT Diesel might be a suitable option. The Yukon XL is a larger SUV, providing ample interior space for passengers and cargo. If you need a spacious vehicle for family or business purposes, this model might meet your requirements.