Fuel Economy Specifications of HHR
The current HHR model is packed with a turbocharged inline 2.0 liter four-cylinder engine that assists the vehicle in achieving this exclusive fuel economy. With this engine, the vehicle develops an exclusive mileage of about 30 miles per gallon on both highways and city roads.
This vehicle is classified as a sports utility vehicle and is available with only FWD configuration.
Moreover, the vehicle has an optional 2.4L and 2.2L non-turbo 4-cylinder engine that develops 175 hp and 149 hp of power respectively.
Gas Mileage and Engines

HHR mpg figures are about 30 mpg on highways and 22 mpg in city. Two engine choices are available for this vehicle. The base model is packed with a 2.2-liter engine that can develop 150 pounds-ft of torque and 155 hp of power, whereas the other engine is a 2.4 liter I4 that can produce 167 pounds-ft of torque and 172 hp of power.
These two engines develop same towing capacity and the acceleration time to reach 60 miles per hour is only 8.4 seconds. Both engines have a standard manual 5-speed gearbox and optional automatic 4-sped transmission.