Porsche · 2016
Boxster 2.7L 6-cyl
✓ EPA Verified
Premium Gasoline
Two Seaters
Rear-Wheel Drive
City
22
MPG
Combined
25
MPG
Highway
31
MPG
Annual Fuel Cost
$2,300
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$150
more per year
Class Comparison — Two Seaters
Top 20%
Better than 80 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 25 MPG
This vehicle
25 MPG
Class average
21 MPG
Class lowest
14 MPG
EPA Energy & Environment Scores
6
Energy Score
Out of 10
6
GHG Score
Out of 10
352 lbs
Annual CO₂
g/mile tailpipe CO₂
No
Start-Stop
Not equipped
Vehicle Specifications
Engine2.7L 6-cyl
TransmissionAutomatic (AM-S7)
DriveRear-Wheel Drive
Fuel TypePremium Gasoline
Vehicle ClassTwo Seaters
Engine DescSIDI
Start-StopNo
EPA Vehicle ID36357

25 MPG combined isn’t going to win any fuel economy awards, but for the 2016 Porsche Boxster 2.7L 6-cyl, it’s perfectly acceptable. This isn’t a grocery getter; it’s a mid-engine roadster designed for driving pleasure. Buyers in this market prioritize performance and the visceral experience of open-top motoring far above maximizing miles per gallon. They’re willing to trade a bit of efficiency for the flat-six’s distinctive howl and the Boxster’s razor-sharp handling, and frankly, they’re more likely to be comparing lap times than fuel bills.

City and highway performance

The EPA estimates for the 2016 Boxster list 22 MPG in the city and 31 MPG on the highway. The city figure reflects the realities of stop-and-go driving, where the engine spends more time idling and accelerating, negating some of the efficiency gained from the automatic (AM-S7) transmission. The 31 MPG highway figure demonstrates that the Boxster can achieve decent fuel economy when cruising at consistent speeds. This makes those weekend road trips through winding mountain passes guilt-free, at least minimizing gas use. The highway number comes closer to justifying the Boxster’s existence as a fun daily driver as well, if your commute allows for some open stretches of road.

Annual fuel cost

The EPA calculates the annual fuel cost for the 2016 Porsche Boxster 2.7L 6-cyl at $2,300. This figure is based on driving 15,000 miles per year and using the national average fuel prices at the time of calculation. It’s a useful benchmark, but keep in mind that your actual fuel costs may vary depending on your driving habits, local fuel prices, and the grade of gasoline you use. Given that Porsche recommends premium fuel for optimal performance, this annual cost could easily climb above the EPA’s estimate.

Real-world expectations

While the EPA numbers provide a baseline, real-world figures often differ. Aggressive driving, a heavy foot, and frequent use of the Sport or Sport Plus driving modes will all decrease the Boxster’s fuel economy. On the other hand, a more relaxed driving style, mindful acceleration, and anticipating traffic flow can help drivers approach the EPA’s figures, or even slightly exceed them.

The Boxster’s relatively light weight for a sports car does help with overall efficiency, but the temptation to exploit that flat-six engine always looms large, impacting fuel consumption.

How it compares

Compared to other sports cars in its class, the 2016 Boxster’s fuel economy is about average. For example, the BMW Z4 sDrive28i, with its turbocharged 2.0L engine, achieves a combined MPG of around 26, slightly better than the Boxster. However, the Z4 lacks the distinctive character of a naturally aspirated flat-six. The Audi TT, with its turbocharged 2.0L engine and front-wheel drive (in base form), also achieves around 26 MPG combined, but lacks the Boxster’s mid-engine balance and rear-wheel-drive dynamics. A Porsche 911 Carrera with the base engine might achieve around 22 MPG combined in similar configurations.

Buyers often weigh these differences, choosing the Boxster for its superior handling and open-air feel over fractional fuel savings offered by competitors.

Tips to maximize efficiency

Given the Boxster’s sporting nature, focusing on smooth driving techniques yields the best results. Avoid abrupt acceleration and hard braking, which waste fuel. Instead, anticipate traffic flow and maintain a consistent speed whenever possible. The Boxster’s quick steering and nimble chassis allow you to navigate efficiently with minimal effort.

Check your tire pressure regularly. Underinflated tires increase rolling resistance, which reduces fuel economy. Providing the recommended tire pressure not only improves efficiency but also ensures optimal handling and tire life. Consult the sticker on your driver’s side doorjamb for the correct pressure.

Minimize idling. Letting the engine idle for extended periods consumes fuel needlessly. If you’re stopped for more than a minute or two, turn off the engine. The Boxster’s engine warms up quickly, so you won’t have to wait long before resuming your drive. Think about the money spent on fuel while idling.

Use the air conditioning sparingly. The A/C compressor puts a significant load on the engine, reducing fuel economy. When weather permits, drive with the top down and enjoy the open air. When the A/C is necessary, use it carefully and avoid setting the temperature too low.

Keep your Boxster properly maintained. Regular maintenance, including oil changes, air filter replacements, and spark plug replacements, ensures that the engine runs efficiently. A well-maintained engine consumes less fuel and performs better. Refer to your owner’s manual for the recommended maintenance schedule.

Owners who desire to research all Porsche fuel economy data or BOXSTER MPG across all years will find information to inform their decision. The 2016 Boxster 2.7L isn’t about saving every drop of fuel; it’s about finding the balance between enjoying a thrilling driving experience and being reasonably responsible with resources. That balance will be different for every driver.