The Chevrolet Colorado ZR2 may be a mid-size truck, but it’s certainly equipped to go toe-to-toe with its full-size competitors. For starters, the 2.8-liter turbo four-cylinder engine produces 369 lb-ft of torque, which enables a towing capacity of 7,700 pounds. That’s just shy of the Ford Raptor’s V-8 towing capacity of 8,000 pounds. Secondly, while …