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Porsche Boxster Fuel Economy (L/100km)

L/100km Number of Vehicles
8 liters per 100 kilometers 1 vehicles
9 liters per 100 kilometers 2 vehicles
10 liters per 100 kilometers 2 vehicles
11 liters per 100 kilometers 0 vehicles
12 liters per 100 kilometers 1 vehicles
13 liters per 100 kilometers 1 vehicles
Model Year Body/Powertrain L/100km  
2003 2003 2dr Convertible 310-hp 3.4L H6 6-sp manual RWD 10.94
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With the turbocharged 257kW 2.5L H4 engine, 6-speed manual transmission, and rear-wheel drive, the 2003 Porsche Boxster has been averaging 10.94 L/100km (liters per 100 kilometers).

The 2003 Porsche Boxsters in this analysis were driven mostly on the highway at an average speed of 61 kilometers per hour (about 38 percent of the kilometers driven). The rest of the kilometers were in the city (12 percent), in heavy traffic (12 percent), and in the suburbs (0 percent).

In addition, the average 2003 Porsche Boxster in this analysis was driven on hilly terrain with a medium foot and the AC not used at all.
2003 2003 2dr Convertible 315-hp 3.4L H6 7-sp automated manual RWD 9
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2003 2003 2dr Convertible 245-hp 2.7L H6 5-sp manual RWD 8.4
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What Our Members Are Saying about the Real Gas Mileage of the 2003 Porsche Boxster

2003 Porsche Boxster Real Gas Mileage: Pros
YearBody/PowertrainComment
2002 2dr Convertible 217-horsepower 2.7L H6
5-speed shiftable automatic RWD
mileage with performance see full Porsche Boxster review
2002 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD
Running the hills mostly safe speeds,and an occasional sprint or push through the corners I average 25 mpg/29 hwy.I think on a long boring drive possibly 32mpg see full Porsche Boxster review
 

2003 Porsche Boxster Gas Mileage (L/100km)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Porsche Boxster's real-world L/100km based on how and where you drive a car.