The all-new ATS is a small rear-wheel-drive intended to compete with compact luxury models like the BMW 3-Series and Infiniti G sedan. The ATS is offered with a variety of powertrain options including a turbocharged four cylinder, large-displacement four-cylinder and a V6. All-wheel-drive will be optional on some models.
The new XTS is a large sedan that effectively replaces the DTS in Cadillac's lineup. A 3.6l V6 and six-speed automatic transmission are standard. All-wheel-drive is optional.