When comparing the BMW 6 Series's and the Porsche 911's specifications and ratings, the BMW 6 Series has the advantage in the area of typical lower range of pricing for one- to five-year-old used cars The Porsche 911 has the advantage in the area of base engine power. The BMW 6 Series and Porsche 911 have the same fuel efficiency. Based on this comparison of the BMW 6 Series's and the Porsche 911's specifications and ratings, the two cars are fairly comparable.
BMW 6 Series vs. Porsche 911 Pricing
A used 2018 BMW 6 Series ranges from $34,532 to $58,526 while a used 2018 Porsche 911 is priced between $83,538 to $172,706.
Engine Power and Fuel Efficiency Comparison
For engine performance, the BMW 6 Series’s base engine makes 315 horsepower, and the Porsche 911 base engine makes 370 horsepower. Both the 6 Series and the 911 are rated to deliver an average of 23 miles per gallon, with highway ranges of 537 and 490 miles respectively. Both models use premium unleaded.