New York 2011: 2012 Chevrolet Sonic Z-Spec Accessories Package 10 by Alex Luft — Apr 21, 2011 Share This just rolled into the 2011 New York International Auto Show this morning! It appears to be yet another appearance package of the Chevy Sonic Z-Spec Accessories Package. 2012 Chevrolet Sonic Z-Spec Accessory Package - NYIAS 2011 GM Authority is hiring! Submit your application today! — Alex Luft Alex is the Founder of GM Authority and focuses on covering GM's global business operations and strategy.