
Driving the vehicle is a pleasurable experience

The power comes on effortlessly, with no hiccups or surges

The fuel-management system handles transition between different power methods flawlessly. The only telltale is an indication on the instrument cluster.

The hybrid system works flawlessly with no extra input from the driver

Price: this vehicle costs thousands more than a regular Yukon that is equipped with the same features

Fuel economy: even though the Yukon's 21mpg fuel-economy rating is impressive for a large SUV, it will still cost you more than a small car.