The Chevrolet Sonic is the brand’s subcompact entry, and it comes in both practical hatchback and mature sedan body styles. The base powerplant is a 1.8-litre, four-cylinder engine, but it can also be ordered with a turbocharged 1.4-litre four- cylinder. Each generate 138 ponies, but the turbo motor pulls ahead in terms of both torque and fuel economy. Transmission choices for the Sonic include a six-speed manual and a six-speed automatic