Despite advances in stability control electronics and tires, rear-wheel drive still scares away drivers who live in snowy regions. That apparently includes Cadillac ATS buyers.

As with the 4 Series, the ATS coupe's base engine is its sedan counterpart's midlevel engine; the base engine in both the BMW 4 Series and the 2015 Cadillac ATS Coupe is a turbocharged 2.0-liter I ...