On the road: Cadillac’s XTS proves ‘timeless’ works better for luxury than tech

What’s the best selling luxury sedan in America? The answer might surprise you.

Digital Trends contributor Nick Jaynes put in some time behind the wheel of the 2013 Cadillac XTS with All-Wheel Drive to find out what makes this popular car tick and came away with some key observations about what the appeal is – and what the problems are – in the latest and last-of-its kind offering from GM.