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|2003||2003 2dr Coupe turbocharged 450hp 3.6L H6 6-sp manual AWD||18||
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|With the engine, transmission, and rear-wheel drive, the 2003 Porsche 911 has been averaging 18 MPG (miles per gallon).
The 2003 Porsche 911s in this analysis were driven mostly on the highway at an average speed of 90 miles per hour (about 50 percent of the miles driven). The rest of the miles were in the city (3 percent), in heavy traffic (2 percent), and in the suburbs (0 percent).
In addition, the average 2003 Porsche 911 in this analysis was driven on mountainous terrain with a medium foot and the AC on only some of the time.