25 MPG combined is a good figure for the 2017 Porsche Boxster with the 2.0L turbocharged four-cylinder engine. Fuel efficiency isn’t exactly the main concern of someone shopping for a mid-engine, rear-wheel-drive sports car. The Boxster buyer prioritizes driving engagement, precision handling, and the Porsche badge. Performance and prestige are more important than saving money at the pump. Fuel economy isn’t irrelevant, but it’s a secondary consideration.

city and highway performance

The EPA estimates the 2017 Porsche Boxster with the 2.0L and automatic (PDK) transmission gets 22 MPG in the city and 29 MPG on the highway. These numbers reflect the engine and transmission. The turbocharger delivers a broad torque curve, providing power for city driving, which helps partially offset the inefficiency of stop-and-go traffic. On the highway, the seven-speed PDK transmission keeps the engine in its optimal rev range for fuel efficiency, contributing to the MPG rating. Aggressive driving habits, particularly frequent acceleration, will impact fuel consumption in the city or on the highway.

annual fuel cost

The EPA estimates the annual fuel cost for the 2017 Porsche Boxster 2.0L at $2,300. This figure comes from an assumed 15,000 miles of driving per year, with a mix of city and highway mileage, using the national average fuel price at the time of the EPA’s testing. Your fuel costs depend on your driving habits, the number of miles you drive annually, and the price of gasoline in your area. Drivers who accelerate quickly, or those who live in areas with high gas prices, will pay more than the EPA’s estimate. You can compare these figures with all Porsche fuel economy data.

real-world expectations

While the EPA estimates provide a benchmark, real-world fuel economy often differs. Many Boxster owners report figures slightly below the EPA’s combined rating, typically in the low- to mid-20s. This is due to the temptation to drive it hard. The acceleration and handling encourage enthusiastic driving, which lowers fuel efficiency. However, drivers who prioritize fuel conservation and drive more calmly often get numbers closer to the EPA estimates, or even slightly exceed them on long highway trips. See BOXSTER MPG across all years for more.

how it compares

The 2017 Boxster’s fuel economy is competitive. A 2017 Audi TTS Coupe, for example, with its 2.0L turbo engine and automatic transmission, gets 23 MPG combined. The BMW Z4 sDrive30i from the same year, using a 2.0L turbo, comes in around 26 MPG combined. A few competitors might offer slightly better fuel economy, but they sacrifice the driving experience that the Boxster delivers. The Boxster buyer isn’t solely focused on MPG. They are willing to accept a slightly lower fuel economy rating for the Porsche’s handling, performance, and brand image. The Mazda MX-5 Miata, while less powerful, achieves better figures, around 30 MPG combined, but it targets a different buyer seeking affordability and open-top fun foremost.

tips to maximize efficiency

The 2017 Boxster’s PDK transmission offers a “coasting” function in certain drive modes. When activated, this disengages the engine from the transmission when the driver lifts off the accelerator, reducing engine braking and improving fuel efficiency. Experiment with different drive modes to see which one balances performance and fuel economy for your driving style.

Ensure your tires are properly inflated to the recommended pressure, which can be found on a sticker inside the driver’s side doorjamb. Underinflated tires increase rolling resistance, which reduces fuel efficiency. Checking your tire pressure saves fuel.

Avoid unnecessary idling. If you are stopped for more than a minute or two, turn off the engine. Modern engines restart quickly, and idling consumes fuel.

Minimize aggressive acceleration and braking. Smooth inputs are safer and more fuel-efficient. Anticipate traffic conditions and avoid sudden speed or hard braking, as these maneuvers consume fuel.

Consider using premium fuel. While the 2.0L engine doesn’t require premium, some owners report slightly better fuel economy and performance when using higher-octane fuel. Given this is a turbocharged engine, premium fuel’s resistance to pre-detonation might help in some conditions.