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Porsche real fuel consumption

According to aggregated user reports, the average real fuel consumption of Porsche cars is approximately 25% higher for gasoline engines and is approximately 28% higher for diesel engines compared to the advertised consumption. Average fuel consumption difference for Porsche vehicles manufactured in the last ten years is about approximately +32%, while older Porsche cars consume approximately 20% more compared to the manufacturer's claimed consumption.

Year-to-year deviations of actual owner-reported average fuel consumption from advertised values

YearGasoline carsDiesel cars
All carmakersPorscheAll carmakersPorsche
2000 +4%minor +5%-
Show all years
2001 +5%+2% +6%-
2002 +6%+5% +7%-
2003 +6%+4% +8%-
2004 +7%+6% +9%-
2005 +8%+7% +10%-
2006 +9%+8% +11%-
2007 +11%+10% +12%-
2008 +12%+12% +13%-
2009 +14%+15% +14%+22%
2010 +16%+18% +16%+31%
2011 +19%+19% +19%+41%
2012 +21%+24% +23%+33%
2013 +23%+25% +27%+33%
2014 +26%+28% +30%+32%
2015 +27%+30% +33%+30%
2016 +28%+36% +36%+30%
2017 +28%+34% +38%+30%
2018 +28%+32% +39%-
2019 +27%+30% +37%-
2020 +27%+30% +36%-
2021 +26%+30% +37%-

Select an Porsche model to see the real fuel consumption of specific engine versions.

Porsche 911 Real fuel consumption difference:
Petrol: +20%
Porsche Cayenne Real fuel consumption difference:
Petrol: +26% Diesel: +28%
Porsche Cayman Real fuel consumption difference:
Petrol: +24%
Porsche Macan Real fuel consumption difference:
Petrol: +31%
User-reported fuel consumption may not accurately represent all users' experiences due to variables such as driving conditions, driving style, technical condition of the vehicle, and other circumstances. Thus, it should not be relied upon as a representative indicator.