Speaking of the V, it still uses the supercharged 6.2-liter V-8 making 682 hp and 683 lb.-ft. On the opposite end of the spectrum, the eco-minded 3.0-liter Duramax diesel is now gone from the ...

The Escalade IQ uses two 400-volt systems working together in series and can therefore fully capitalize on a 350-kilowatt DC fast charger to add over 100 miles (160 km) in 10 minutes.

Cadillac’s new IQ portfolio of all-electric vehicles — notably the compact Optiq SUV and grandaddy full-size Escalade IQ — has put the company on a techier, more advanced, and luxurious plane.