19 MPG combined. That’s the figure you need to accept if you’re seriously considering the 2019 Subaru WRX with the 2.5L engine and a manual gearbox. Let’s be clear: nobody buys this particular WRX because they prioritize fuel efficiency. They buy it for the turbocharged power, the rally-bred handling, and the sheer engagement of a manual transmission coupled with all-wheel drive. This car is about the driving experience, and that experience comes at a cost.

City and highway performance

The EPA estimates that the 2019 Subaru WRX 2.5L 4-cyl achieves 17 MPG in the city and 22 MPG on the highway. These numbers reflect driving a performance-oriented car in different conditions. The stop-and-go nature of city driving requires frequent acceleration, which sends the turbocharger spooling and the fuel flowing. The relatively low gearing of the 6-speed manual also contributes to higher fuel consumption at lower speeds.

On the highway, consistent speeds allow the engine to operate more efficiently, though the lack of a taller overdrive gear still means the engine is working harder than it would in a more economy-focused vehicle. This means lower MPG than what you would expect on the open road.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2019 WRX 2.5L at $3,050. This figure is calculated based on driving 15,000 miles per year, with 55% of those miles driven in the city and 45% on the highway, using national average fuel prices. Given gasoline costs, it’s important to understand that the $3,050 figure serves more as a reference point than a guarantee. Your actual costs will vary depending on your driving habits and local fuel prices, potentially pushing that number even higher. Owners should also factor in that this engine prefers premium fuel, which adds further expense.

Real-world expectations

While the EPA provides a standardized estimate, real-world MPG can vary significantly, especially with a car like the WRX. Aggressive driving, frequent boost, and spirited acceleration will all reduce fuel economy. If you spend most of your time in heavy traffic or exploring the upper reaches of the tachometer, expect to see numbers closer to the city estimate or even lower. Conversely, if you adopt a more relaxed driving style and prioritize smooth acceleration, you might be able to get closer to the highway figure.

Realistically, achieving the combined EPA estimate consistently will require conscious effort.

How it compares

Compared to other performance-oriented vehicles in its class, the 2019 WRX 2.5L’s fuel economy sits squarely on the lower end of the spectrum. For instance, a 2019 Volkswagen GTI, while front-wheel drive, manages around 28 MPG combined with its 2.0L turbocharged engine. Even a 2019 Honda Civic Si, known for blending performance and efficiency, achieves around 32 MPG combined. All Subaru fuel economy data shows that the WRX prioritizes performance over efficiency, a trade-off that buyers willingly make. You can also explore WRX MPG across all years to see how this model compares across vintages. The crucial point: buyers aren’t shopping the WRX against Priuses or Corollas. They’re cross-shopping performance cars and accepting the fuel economy hit that comes with it.

Tips to maximize efficiency

Driving style is important in any car, of course, but it’s especially critical in a turbocharged, manual-transmission vehicle like the WRX. Avoid aggressive acceleration and try to maintain a steady throttle position whenever possible. Every hard acceleration run is felt at the pump, so drive smoothly and anticipate traffic flow to minimize the need for sudden bursts of speed.

Proper tire inflation plays a greater role than many people realize. Check your tire pressure regularly and maintain it at the recommended level, which can be found on the sticker inside the driver’s side doorjamb. Underinflated tires increase rolling resistance, forcing the engine to work harder, which then increases fuel consumption.

Reduce unnecessary weight. The WRX is already not the lightest car, so any extra weight you carry will negatively impact fuel economy. Remove any unnecessary items from the trunk and back seat to lighten the load and improve efficiency. This could be that extra set of tools you’re lugging around because you plan to turn the vehicle into a project car.

Minimize idling. Letting the engine idle for extended periods wastes fuel. If you’re stopped for more than a minute or two, turn off the engine. Modern engines are designed to start quickly and reliably, and restarting the engine consumes far less fuel than leaving it idling.