Now that the dust has settled on Detroit Motor Show’s Day 1 major debuts, it’s probably a good time to look back and recap on what we saw today. And what better way to do that than featuring videos of the new car unveiled today. Here’s the Cadillac ATS, the possibly the sportiest four-door Caddy ever built, targeting BMW 3-Series as the benchmark of sports mid-size saloons. It will launch with a 270-hp 2.0 liter four-pot, and a 3.6 liter V6 with 320-hp.

Check it out in action after the jump and click here for more details.