Cadillac's midsize luxury sedan, the CTS, returns unchanged in 2017. That means it has the same powertrains as before, namely a 268-horsepower, 2.0-litre four cylinder or a 335-horsepower, 3.6-litre V6. In both cases, the automatic gearbox is an eight-speed. Depending on the version, it comes with either rear- or all-wheel drive. As for the CTS V-Sport, it features a 420-horsepower V6, while the hot-rod CTS-V boasts a 640-hp, supercharged V8. Translation: expect regular speeding tickets.