The Cadillac ATS is an upcoming compact luxury

Compact executive car

Compact executive car is a car classification term applied to premium cars smaller than executive cars. In European classification, compact executive cars are part of the D-segment. In North American terms, close equivalents are compact premium car, compact luxury car, entry-level luxury car and...

 sedan from Cadillac

Cadillac

Cadillac is an American luxury vehicle marque owned by General Motors . Cadillac vehicles are sold in over 50 countries and territories, but mostly in North America. Cadillac is currently the second oldest American automobile manufacturer behind fellow GM marque Buick and is among the oldest...

. Currently, General Motors

General Motors

General Motors Company , commonly known as GM, formerly incorporated as General Motors Corporation, is an American multinational automotive corporation headquartered in Detroit, Michigan and the world's second-largest automaker in 2010...

 considers ATS a "codename" for the model, which means the final production name may change. It will be smaller than the Cadillac CTS

Cadillac CTS

The Cadillac CTS is a mid-size car manufactured by the Cadillac marque of General Motors currently available in three body styles: Sedan, Coupe, and Sport Wagon. It was introduced in 2002 as a sports sedan, replacing the Cadillac Catera. The CTS and the supercharged CTS-V variant have been named...

, but roughly the size of the ELR

Cadillac Converj

The Cadillac Converj is a plug-in hybrid concept car developed by General Motors, to be mass produced as the Cadillac ELR. It was first shown at the 2009 North American International Auto Show in Detroit and made its West Coast debut at the 2009 Orange County Auto Show.Incorporating the propulsion...

, and is intended to compete with the Audi A4

Audi A4

The first generation Audi A4 debuted in 1994, with production starting November 1994. It was built on the Volkswagen Group B5 platform, which it shared with the fourth generation Volkswagen Passat . It had a front-mounted longitudinal engine and front-wheel drive...

, Lexus IS

Lexus IS

The Lexus IS is a series of entry-level luxury cars / compact executive cars sold by Lexus since 1998. The IS was introduced as an entry-level sport model slotted below the ES in the Lexus lineup...

, Mercedes-Benz C-class

Mercedes-Benz C-Class

The Mercedes-Benz C-Class is a compact executive car produced by the Mercedes-Benz division of Daimler AG. First introduced in 1993 as a replacement for the 190 range , the C-Class was the smallest model in the marque's lineup until the 1997 arrival of the A-Class...

, and BMW 3 series

BMW 3 Series

The BMW 3 Series is a compact executive car manufactured by the German automaker BMW since May 1975. Successor to the BMW New Class, it has been produced in five different generations and in no less than five different body styles. It is BMW's best-selling model, accounting for around 30% of the...

. Cadillac presented an ATS concept coupe

Coupé

A coupé or coupe is a closed car body style , the precise definition of which varies from manufacturer to manufacturer, and over time...

 to automotive journalists on August 11, 2009.

The ATS will be launched in mid-2012 as a 2013 model. It will debut as a four-door sedan with rear wheel drive, based on the new GM Alpha platform

GM Alpha platform

Alpha is rumored to be General Motors' future compact to mid-size rear wheel drive automobile platform. Reports indicate that the new platform may share some components with the smaller GM Kappa platform and the larger GM Zeta platform...

. Reports have indicated that coupe and all-wheel drive versions may follow. Styling has been described as consistent with Cadillac's Art and Science theme, and GM has released a teaser side-view image of the car.

Reportedly, the base engine will be a 2.0 liter turbo 4-cylinder, with an optional 3.0 twin-turbo 6-cylinder for an "ATS-V

Cadillac V-Series

The Cadillac V-Series is the name of high-performance vehicles tuned by the General Motors Performance Division for the Cadillac division of General Motors. Models in the V-Series include the CTS-V, the STS-V and the Cadillac XLR-V...

".