Test drive: The 2021 GMC Yukon Diesel is built for the long haul, but may be short-lived

Test drive: The 2021 GMC Yukon Diesel is built for the long haul, but may be short-lived

The 2021 GMC Yukon Diesel combines the power of a V8 with crossover-like fuel efficiency, but may soon make way for GM’s electric trucks.