31 MPG combined isn’t going to set any records, but it’s a respectable figure for the 2015 Subaru Impreza Wagon 2.0i. More importantly, it validates the core compromise in this car: you get all-wheel drive and wagon versatility in a package that sips fuel, not gulps it. People buy the Impreza Wagon because they need its capabilities, and they don’t want to pay a fortune at the pump. This MPG figure demonstrates that Subaru delivered on that promise.

City and highway performance

The EPA estimates for the 2015 Impreza Wagon break down to 28 MPG in the city and 36 MPG on the highway. The city figure reflects the demands placed on a small four-cylinder engine in stop-and-go traffic. The all-wheel-drive system adds a small amount of weight and frictional loss compared to front-wheel-drive competitors, slightly impacting city fuel economy. The highway figure, however, is where the Impreza shines. The continuously variable transmission (CVT), dubbed “AV-S6” by Subaru, helps the engine settle into its most efficient range at cruising speeds, allowing it to achieve a competitive highway fuel economy despite the AWD drivetrain.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2015 Subaru Impreza Wagon at $1,400. This figure is based on driving 15,000 miles per year and using national average fuel prices at the time of calculation. Actual fuel costs will vary depending on individual driving habits, geographical location (fuel prices fluctuate), and how much city versus highway driving you perform. However, the $1,400 figure provides a useful benchmark for comparing the Impreza’s running costs against other vehicles in its class. Looking at all Subaru fuel economy data makes the Impreza stand out as an economical pick.

Real-world expectations

While the EPA figures provide a useful baseline, real-world fuel economy often differs. Drivers who frequently engage in aggressive acceleration, heavy braking, or carry significant cargo will likely see a decrease in MPG. Those who prioritize smooth acceleration and maintain consistent speeds may exceed the EPA estimates. The Impreza Wagon’s all-wheel-drive system also plays a role; in adverse weather conditions where AWD is engaged more frequently, fuel consumption will increase.

Keep the tires properly inflated and perform regular maintenance (especially spark plug replacement) to keep your Impreza Wagon operating efficiently.

How it compares

The Impreza Wagon’s main competitors include models like the Mazda3 Sport (hatchback) and the Honda Civic Hatchback. The Mazda3, in its 2.0L trim, achieves around 28 MPG combined, but it offers front-wheel drive only. The Honda Civic Hatchback, with its 1.5L turbocharged engine, delivers around 35 MPG combined in certain trims, again with front-wheel drive. The Toyota Prius c, while not a direct competitor due to its hybrid powertrain, achieves around 46 MPG combined. The Mitsubishi Lancer Sportback, a now-discontinued competitor, typically achieved around 28 MPG combined with its all-wheel-drive option. Ultimately, against these alternatives, the Impreza Wagon’s 31 MPG represents a valuable trade-off for those who prioritize all-wheel drive in a compact, versatile package. You can learn more about IMPREZA MPG across all years on our site.

Tips to maximize efficiency

Take it easy on the accelerator. The 2.0-liter engine works hard, but fuel consumption spikes when you rapidly increase the throttle. Gentle acceleration will keep the engine in its most efficient range.

Anticipate traffic flow and avoid unnecessary braking. Coasting to red lights or slowing down gradually will conserve momentum and reduce the need for hard braking, which wastes energy.

Minimize the use of accessories like air conditioning and heated seats, especially during shorter trips. These features put an extra load on the engine, impacting fuel economy.

Consider tire pressure. Keeping your tires inflated to the recommended pressure (found on the driver’s side doorjamb) reduces rolling resistance and improves fuel efficiency. Check tire pressure often, especially during seasonal temperature swings.