30 MPG combined is a perfectly adequate figure for the 2017 Subaru Impreza Sport 5-Door. It’s not going to win any hypermiling competitions, but it’s also not the main reason anyone buys this particular Impreza. People choose the Sport trim for its enhanced styling, sport-tuned suspension, and extra features, all while keeping the practicality of a five-door hatchback and the security of standard all-wheel drive. Fuel economy, in this case, is secondary.

City and highway performance

The EPA estimates break down to 27 MPG in the city and 35 MPG on the highway. The city figure reflects stop-and-go driving, where the 2.0-liter four-cylinder engine and automatic transmission (a continuously variable unit Subaru calls AV-S7) work harder to move the Impreza. The engine’s 148 horsepower means you’ll likely be pressing the accelerator a bit more firmly than you would in a more powerful car, impacting fuel consumption in urban environments. Highway performance, however, shows the Impreza’s ability to cruise efficiently once up to speed. The AV-S7 transmission helps maintain optimal engine speeds for fuel conservation when traveling at consistent highway velocities.

Annual fuel cost

The EPA estimates that the annual fuel cost for the 2017 Subaru Impreza Sport 5-Door is $1,450. This figure is based on driving 15,000 miles per year and using national average fuel prices. Your actual fuel costs will vary depending on your driving habits, the type of roads you typically travel, and the price of gasoline in your area. However, the $1,450 estimate provides a reasonable benchmark for budgeting your fuel expenses.

Real-world expectations

While the EPA provides a standardized estimate, real-world fuel economy can vary. Drivers who frequently drive aggressively, carry heavy loads, or live in areas with hilly terrain may see figures closer to the lower end of the EPA range. On the other hand, those who prioritize smooth acceleration, minimize idling, and drive primarily on flat, open roads might achieve results that surpass the EPA estimates. The Impreza’s all-wheel-drive system, a significant selling point for many buyers, inherently adds some weight and drivetrain friction that can slightly reduce fuel economy compared to front-wheel-drive competitors. But for many, the added safety and all-weather capability are worth the trade-off.

How it compares

In the compact hatchback segment, the 2017 Subaru Impreza Sport 5-Door’s fuel economy places it in the middle of the pack. A front-wheel-drive Toyota Corolla iM (sold as the Corolla Hatchback in later years) manages approximately 31 MPG combined. The Mazda3 5-Door, depending on engine and trim, can achieve similar or slightly better numbers, hovering around 30-32 MPG combined in its more fuel-efficient configurations. The Honda Civic Hatchback can even exceed 35 MPG combined in certain trims. The Impreza offers standard all-wheel drive, something those competitors don’t. This appeals greatly to buyers in regions with snow or frequent rain, who prioritize traction and stability above all-out fuel efficiency. See IMPREZA MPG across all years for broader comparisons. Also browse all Subaru fuel economy data.

Tips to maximize efficiency

Proper tire inflation is important. The Impreza’s recommended tire pressure is listed on the driver’s side doorjamb. Keeping the correct pressure reduces rolling resistance and improves fuel economy. Regularly check and adjust your tire pressure, especially with changing temperatures.

Gentle acceleration and smooth braking are key to saving fuel. Avoid abrupt starts and hard stops. Anticipate traffic flow and maintain a consistent speed. The Impreza’s AV-S7 transmission is designed to prioritize fuel efficiency, but it can only do its job effectively if you drive smoothly.

Reduce unnecessary weight. Carrying extra cargo in your Impreza increases the engine’s workload and decreases fuel economy. Remove any items you don’t need, such as sporting equipment, tools, or unused luggage.

Plan your routes carefully. Avoid congested areas and construction zones when possible. Longer, more direct routes with fewer stops and starts will save you fuel. Use a GPS navigation system or smartphone app to identify the most efficient route to your destination.

Consider using cruise control on the highway. Maintaining a steady speed can significantly improve fuel economy, especially on long trips. The Impreza’s cruise control system allows you to set a desired speed and maintain it automatically, helping you avoid speed fluctuations that can waste fuel.