If you want more proof that Cadillac is serious about challenging the likes of BMW with its upcoming ATS sedan, here it is: the car will (initially) come with three engine options, including a 2.5-liter four cylinder that should serve as the base engine and will probably produce just short of 200 horsepower. Cadillac will offer a 3.6-liter V-6, too, probably pulled from the SRX crossover. In the 2012 SRX, the engine produces 308 horsepower and 265 pound-feet of torque, which should prove to be sufficient to power a compact sedan.
The big news, however, is a Cadillac-tuned 2.0-liter turbocharged four-cylinder, which will put out 270 horsepower and 260 pound-feet of torque. That’s 135 horsepower per liter, making the new engine one of the most power-dense motors on the planet. It achieves this via direct fuel injection, continuously variable valve timing and a twin-scroll turbocharger that produces up to 20 pounds of boost. That’s quite a bit for a stock engine from a luxury manufacturer, so Cadillac has built the engine to include a forged crankshaft and oil-spray piston cooling; they’ve also focused on reducing friction to produce more efficient power.
Suspiciously absent from the lineup is an ATS-V engine, which we’re hoping will come further down the line. Of the available choices, the turbo four is the one most attractive to drivers, since the V-6 will add weight and make the car nose-heavy without producing significantly more power. The 2.5-liter four will be the high-volume engine, sold to buyers who care more about luxury and comfort than about driving and performance.
Also, don’t forget that you can get discounted new car pricing with a free quote through qualified local dealer partners.
Look for more details on the ATS when the car breaks cover at the 2012 Detroit Auto Show.