The guys at the GM division Cadillac have released another video teaser of the 2013 ATS under test at the Nürburgring.

The new ATS sedan will slot beneath the CTS in the Cadillac lineup, competing with vehicles from Mercedes and BMW.

The ATS’ will ride on an all-new RWD and AWD architecture billed as the Alpha platform, Like the larger CTS, the ATS will be available in sedan, coupe and wagon body styles, although the Cabriolet has been cancelled.

ATS will get a turbocharged four-cylinder. The entry-level ATS is slated to come equipped with a 270 hP version of GM’s turbocharged 2.0L engine used in the Astra OPC, backed by an eight-speed automatic transmission.

Attached are the spyshots we took earlier this year.