Spy Shots: Mystery small Cadillac spotted - ATS or Converj?

A previously unseen prototype has been spotted wearing surprisingly light camouflage. Given the visible details at the back of the car, this appears to quite clearly be a Cadillac of some sort, as the vertical taillamps and the horizontal spoiler/high-mounted stop lamp are dead giveaways. The confusion lies with the rest of the car. While Burlapp Cars is speculating that this may be a prototype of the upcoming ATS that will slot in below the CTS, we have our doubts. The styling buck we saw at GM's design center last summer was a notchback two-door, and we would expect a four-door sedan to follow a similar layout.
A more likely scenario is that this is a prototype of a four-door Converj. The Chevrolet Volt-based Converj appeared at last year's Detroit Auto Show as a two-door coupe with a similar profile to this car. The car in the photos appears to offer similar proportions to the Volt.

It's certainly possible that Cadillac has shifted design directions for the ATS to go with this fastback look. It's also possible that Cadillac is developing a five-door hatch based on the ATS for the European market to go up against the Audi A5 Sportback and the Gran Turismo version of the next generation BMW 3 series that was recently spotted testing. Thanks to Ed for the tip!

[Source: Burlapp Cars]

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