Volkswagen Passat Engine Brain Box Electronic Control Module; 4 Cyl 03 on 2040-parts.com

2015 Cadillac ATS-V spied chasing BMW M3

The Cadillac ATS was conceived as a BMW 3-series fighter, so it stands to reason that a hotter version of the rear-wheel drive sedan -- a Cadillac ATS-V -- would be called forth to challenge the mighty M3. New spy photos seem to show just that. Of course, this could be a case of a privately owned BMW M3 being in the right place at the right time, catching up with what appears to be a heavily camouflaged Cadillac ATS-V on the road somewhere outside metropolitan Detroit.

Audi prices SQ5 SUV at $51,900

The 2014 Audi SQ5 high-performance SUV will cost $51,900 when it hits showrooms later this summer. The first S variant of the Q-line makes power with a supercharged 3.0-liter V6 delivering 354 hp and 347 lb-ft of torque. Audi first revealed the SQ5 at the 2012 24 Hours of Le Mans race, and then again in production form at the Detroit auto show.

Jaguar lines up 4-, 6-cylinder engines

Jaguar hasn't offered a four-cylinder engine since 1948 and no V6 since the small, lackluster X-Type was pulled from the United States four years ago. But in an era of mpg obsession, even this proud British luxury brand is changing. Jaguar will offer four- and six-cylinder engines in two of its three car lines, starting this fall.