How much fuel does it consume? 8/10. According to Subaru the Impreza should use 7.2L/100km after a combination of open and urban roads.

The Subaru Impreza is the most fuel-efficient sedan with an overall average of 31 mpg. This number takes into account the average of 26 mpg for city driving and 36 mpg for highway driving. The Impreza comes in both a traditional sedan and a hatchback.

The fuel pump can become clogged or malfunction. A bad fuel pump can lead to a rough running engine because it is not getting enough fuel. This will lead to a decline in gas mileage. Clogged Fuel Filter: A clogged fuel filter will also cause problems with gas mileage.

The Subaru Impreza Reliability Rating is 3.5 out of 5.0, which ranks it 33rd out of 36 for compact cars. The average annual repair cost is $653 which means it has average ownership costs. While repairs tend to be more severe than average, these issues occur less often, so major repairs are infrequent for the Impreza.

Fuel Consumption Summary

Subaru vehicles are all powered by horizontally-opposed Boxer engine technology which is a fuel-efficient powertrain. Subaru is one of the leading manufacturers of continuously variable transmissions (CVT) which are also used for their fuel-efficiency.

Vehicles equipped with AWD or 4WD generally suffer a fuel economy penalty due to the extra weight and mechanical resistance of the equipment needed to turn all four wheels. In some cases, the reduction in gas mileage is small but can add up over time.

The Most Common Subaru Problems

• Denso Fuel Pump Failure.
• CAN System Parasitic Drain on the Battery.
• Unintended Acceleration.
• Brake Light Switch Defect.
• Cracked Windshields.
• Subaru STARLINK Problems.
• Lineartronic CVT Reliability.
• Rodents Chew Subaru’s Soy Wires.

The 2013 Subaru Impreza is expected to be the highest-mileage gasoline all-wheel-drive vehicle in the U.S. market, reprising its 30-mpg EPA Combined rating and a highway rating of up to 36 mpg.

The five-seat Subaru Impreza compact sedan and four-door hatchback was completely redesigned for 2012 and receives only minor changes for 2013. The Impreza competes with the Honda Civic and Toyota Corolla, as well as the Chevrolet Cruze, Ford Focus and Hyundai Elantra, most of which have been recently redesigned or introduced.

Both body styles come in three trim levels: 2.0i (base), 2.0i Premium and 2.0i Limited. The hatchback, which Subaru calls the “5-door,” adds two more levels: the 2.0i Sport Premium and 2.0i Sport Limited. Subaru has discontinued the Outback Sport, a butched-up hatchback modeled after the larger Outback SUV.