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Audi TT vs. Porsche 911 Fuel Economy (km/L)

Chart is based on 91 fuel economy reports for the Audi TT and 56 fuel economy reports for the Porsche 911.

Audi TT km/L

Audi TT Audi TT 2014 76.4 MPG Highway Percentage 50 percent Audi TT Audi TT 2011 70.6 MPG Highway Percentage 95 percent Audi TT Audi TT 2010 66.3 MPG Highway Percentage 78 percent Audi TT Audi TT 2010 67.5 MPG Highway Percentage 75 percent Audi TT Audi TT 2009 56.1 MPG Highway Percentage 21 percent Audi TT Audi TT 2009 73.3 MPG Highway Percentage 49 percent Audi TT Audi TT 2009 61.5 MPG Highway Percentage 70 percent Audi TT Audi TT 2009 57.3 MPG Highway Percentage 43 percent Audi TT Audi TT 2009 58.4 MPG Highway Percentage 47 percent Audi TT Audi TT 2009 56.5 MPG Highway Percentage 20 percent Audi TT Audi TT 2008 69.9 MPG Highway Percentage 3 percent Audi TT Audi TT 2008 52.5 MPG Highway Percentage 70 percent Audi TT Audi TT 2008 59.5 MPG Highway Percentage 45 percent Audi TT Audi TT 2008 55.1 MPG Highway Percentage 68 percent Audi TT Audi TT 2006 62.6 MPG Highway Percentage 50 percent Audi TT Audi TT 2005 102.4 MPG Highway Percentage 40 percent Audi TT Audi TT 2005 57.3 MPG Highway Percentage 50 percent Audi TT Audi TT 2004 11.3 MPG Highway Percentage 10 percent Audi TT Audi TT 2004 67.8 MPG Highway Percentage 41 percent Audi TT Audi TT 2004 48.2 MPG Highway Percentage 0 percent Audi TT Audi TT 2003 65.4 MPG Highway Percentage 75 percent Audi TT Audi TT 2003 66.3 MPG Highway Percentage 33 percent Audi TT Audi TT 2003 63.2 MPG Highway Percentage 30 percent Audi TT Audi TT 2002 62.6 MPG Highway Percentage 41 percent Audi TT Audi TT 2002 56.5 MPG Highway Percentage 13 percent Audi TT Audi TT 2002 62.8 MPG Highway Percentage 55 percent Audi TT Audi TT 2001 60.0 MPG Highway Percentage 33 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd km/L
2014 2dr Hatch turbocharged 211hp 2.0L I4
6-speed automated manual AWD		 hills med none 0 0 50 50 78 76.4  
2011 2dr Convertible turbocharged 265hp 2.0L I4
6-speed automated manual AWD		 flat med none 0 0 5 95 60 70.6  
2010 2dr Hatch turbocharged 265hp 2.0L I4
6-speed automated manual AWD		 flat med light 3 7 12 78 62 66.3  
2010 2dr Hatch turbocharged 200hp 2.0L I4
6-speed automated manual AWD		 hills med hvy 0 0 25 75 60 67.5  
2009 2dr Hatch turbocharged 265hp 2.0L I4
6-speed automated manual AWD		 flat med none 1 9 70 21 70 56.1  
2009 2dr Hatch turbocharged 200hp 2.0L I4
6-speed automated manual FWD		 flat light none 11 8 32 49 66 73.3  
2009 2dr Hatch turbocharged 200hp 2.0L I4
6-speed automated manual AWD		 hills med light 0 30 0 70 65 61.5  
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2009 2dr Hatch 250-horsepower 3.2L V6
6-speed manual AWD		 flat med hvy 7 7 43 43 70 57.3  
2009 2dr Hatch 250-horsepower 3.2L V6
6-speed automated manual AWD		 flat med light 1 10 43 47 73 58.4  
2009 2dr Convertible turbocharged 200hp 2.0L I4
6-speed automated manual AWD		 flat med light 30 30 20 20 70 56.5  
2008 2dr Hatch turbocharged 200hp 2.0L I4
6-speed automated manual FWD		 flat light light 15 32 50 3 65 69.9  
2008 2dr Hatch 250-horsepower 3.2L V6
6-speed manual AWD		 flat med light 0 11 20 70 73 52.5  
2008 2dr Hatch 250-horsepower 3.2L V6
6-speed automated manual AWD		 hills med none 22 10 23 45 72 59.5  
2008 2dr Convertible 250-horsepower 3.2L V6
6-speed automated manual AWD		 flat med none 11 4 17 68 70 55.1  
2006 2dr Hatch turbocharged 225hp 1.8L I4
6-speed manual AWD		 flat med none 0 25 25 50 75 62.6  
2005 2dr Hatch turbocharged 225hp 1.8L I4
6-speed manual AWD		 flat light hvy 20 30 10 40 80 102.4  
2005 2dr Hatch 250-horsepower 3.2L V6
6-speed automated manual AWD		 flat med light 3 10 38 50 63 57.3  
2004 2dr Hatch 250-horsepower 3.2L V6
6-speed automated manual AWD		 flat med none 10 75 5 10 125 11.3  
2004 2dr Convertible turbocharged 225hp 1.8L I4
6-speed manual AWD		 hills med light 15 26 20 41 68 67.8  
2004 2dr Convertible 250-horsepower 3.2L V6
6-speed automated manual AWD		 flat light none 15 25 60 0 N/A 48.2  
2003 2dr Hatch turbocharged 225hp 1.8L I4
6-speed manual AWD		 flat lead light 5 10 10 75 70 65.4  
2003 2dr Hatch turbocharged 180hp 1.8L I4
6-speed shiftable automatic FWD		 hills med hvy 17 27 23 33 68 66.3  
2003 2dr Convertible turbocharged 225hp 1.8L I4
6-speed manual AWD		 flat lead hvy 28 20 23 30 68 63.2  
2002 2dr Hatch turbocharged 225hp 1.8L I4
6-speed manual AWD		 flat med none 14 33 12 41 68 62.6  
2002 2dr Hatch turbocharged 180hp 1.8L I4
5-speed manual AWD		 hills med light 13 63 13 13 70 56.5  
2002 2dr Convertible turbocharged 225hp 1.8L I4
6-speed manual AWD		 flat med none 5 40 0 55 70 62.8  
2001 2dr Hatch turbocharged 225hp 1.8L I4
6-speed manual AWD		 hills light none 20 47 0 33 60 60.0  

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This page shows only averages. See all the Audi TT fuel economy data.

Porsche 911 km/L

Porsche 911 Porsche 911 2009 44.7 MPG Highway Percentage 30 percent Porsche 911 Porsche 911 2009 50.1 MPG Highway Percentage 78 percent Porsche 911 Porsche 911 2009 63.3 MPG Highway Percentage 90 percent Porsche 911 Porsche 911 2009 54.8 MPG Highway Percentage 25 percent Porsche 911 Porsche 911 2009 46.6 MPG Highway Percentage 50 percent Porsche 911 Porsche 911 2008 47.0 MPG Highway Percentage 40 percent Porsche 911 Porsche 911 2007 54.7 MPG Highway Percentage 30 percent Porsche 911 Porsche 911 2007 51.7 MPG Highway Percentage 40 percent Porsche 911 Porsche 911 2007 56.0 MPG Highway Percentage 85 percent Porsche 911 Porsche 911 2006 42.3 MPG Highway Percentage 34 percent Porsche 911 Porsche 911 2006 50.1 MPG Highway Percentage 80 percent Porsche 911 Porsche 911 2006 42.3 MPG Highway Percentage 35 percent Porsche 911 Porsche 911 2006 46.8 MPG Highway Percentage 66 percent Porsche 911 Porsche 911 2005 48.5 MPG Highway Percentage 40 percent Porsche 911 Porsche 911 2005 48.7 MPG Highway Percentage 23 percent Porsche 911 Porsche 911 2005 44.9 MPG Highway Percentage 70 percent Porsche 911 Porsche 911 2004 42.3 MPG Highway Percentage 25 percent Porsche 911 Porsche 911 2003 42.3 MPG Highway Percentage 50 percent Porsche 911 Porsche 911 2002 30.6 MPG Highway Percentage 70 percent Porsche 911 Porsche 911 2002 47.0 MPG Highway Percentage 30 percent Porsche 911 Porsche 911 2002 52.5 MPG Highway Percentage 40 percent Porsche 911 Porsche 911 2002 46.1 MPG Highway Percentage 10 percent Porsche 911 Porsche 911 2001 47.0 MPG Highway Percentage 25 percent Porsche 911 Porsche 911 2001 49.4 MPG Highway Percentage 20 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd km/L
2009 2dr Coupe 385-horsepower 3.8L H6
7-speed automated manual RWD		 flat med hvy 2 38 30 30 80 44.7  
2009 2dr Coupe 385-horsepower 3.8L H6
6-speed manual RWD		 flat lead light 1 1 20 78 75 50.1  
2009 2dr Coupe 345-horsepower 3.6L H6
7-speed automated manual RWD		 flat light none 0 10 0 90 75 63.3  
2009 2dr Coupe 345-horsepower 3.6L H6
6-speed manual RWD		 flat v.lt none 5 20 50 25 70 54.8  
2009 2dr Convertible 385-horsepower 3.8L H6
6-speed manual RWD		 flat med light 0 0 50 50 75 46.6  
2008 2dr Coupe 355-horsepower 3.8L H6
5-speed shiftable automatic RWD		 flat med hvy 10 50 0 40 75 47.0  
2007 2dr Coupe turbocharged 480hp 3.6L H6
6-speed manual AWD		 mtns lead hvy 5 25 40 30 70 54.7  
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2007 2dr Coupe 355-horsepower 3.8L H6
6-speed manual RWD		 flat med light 0 30 30 40 70 51.7  
2007 2dr Coupe 325-horsepower 3.6L H6
5-speed shiftable automatic RWD		 flat lead hvy 5 0 10 85 75 56.0  
2006 2dr Coupe 355-horsepower 3.8L H6
6-speed manual RWD		 flat med light 5 32 29 34 65 42.3  
2006 2dr Coupe 325-horsepower 3.6L H6
6-speed manual RWD		 flat med hvy 10 0 10 80 60 50.1  
2006 2dr Convertible 355-horsepower 3.8L H6
6-speed manual RWD		 flat med light 0 5 60 35 75 42.3  
2006 2dr Convertible 355-horsepower 3.8L H6
6-speed manual AWD		 flat med none 5 9 20 66 76 46.8  
2005 2dr Coupe 355-horsepower 3.8L H6
6-speed manual RWD		 hills lead light 0 10 50 40 85 48.5  
2005 2dr Coupe 325-horsepower 3.6L H6
5-speed shiftable automatic RWD		 flat med light 7 13 57 23 60 48.7  
2005 2dr Convertible 325-horsepower 3.6L H6
6-speed manual RWD		 flat med light 0 10 20 70 60 44.9  
2004 2dr Coupe 345-horsepower 3.6L H6
6-speed manual RWD		 flat med none 5 40 30 25 70 42.3  
2003 2dr Coupe turbocharged 450hp 3.6L H6
6-speed manual AWD		 mtns med light 2 3 45 50 90 42.3  
2002 2dr Coupe turbocharged 450hp 3.6L H6
6-speed manual AWD		 flat med none 5 15 10 70 60 30.6  
2002 2dr Coupe turbocharged 450hp 3.6L H6
5-speed shiftable automatic AWD		 flat med hvy 35 35 0 30 70 47.0  
2002 2dr Coupe 320-horsepower 3.6L H6
6-speed manual RWD		 flat v.lt none 10 20 30 40 65 52.5  
2002 2dr Convertible 320-horsepower 3.6L H6
6-speed manual AWD		 hills med none 0 0 90 10 80 46.1  
2001 2dr Coupe turbocharged 415hp 3.6L H6
5-speed shiftable automatic AWD		 flat light light 0 5 70 25 80 47.0  
2001 2dr Coupe 300-horsepower 3.4L H6
6-speed manual RWD		 flat med light 5 15 60 20 60 49.4  

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This page shows only averages. See all the Porsche 911 fuel economy data.

Audi TT vs. Porsche 911 Fuel Economy (km/L)

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 Audi TT and Porsche 911's where a car was driven. So you can get an idea of their real-world km/L based on how and where you drive a car.

See TrueDelta's information for all Hatchbacks and Convertibles.
See TrueDelta's information for all Audi models and Porsche models.

What Our Members Are Saying about the Real Gas Mileage of the Audi TT

Audi TT Real Gas Mileage: Pros
YearBody/PowertrainComment
2012 2dr Convertible turbocharged 211hp 2.0L I4
6-speed automated manual AWD		 Outstanding and a complete surprise considering the heavy right foot see full Audi TT review
2009 2dr Hatch turbocharged 265hp 2.0L I4
6-speed automated manual AWD		 0-60 in 5sec and 30mpg hwy the turbo 4 give great balance between power and economy. see full Audi TT review
2008 2dr Hatch 250-horsepower 3.2L V6
6-speed automated manual AWD		 28-30 mpg highway driving. see full Audi TT review
2003 2dr Hatch turbocharged 180hp 1.8L I4
6-speed shiftable automatic FWD		 The VW 1.8 turbo motor is very efficient when not bombing along under boost. Maintains 32mpg hwy consistently here in flat Florida. see full Audi TT review
2003 2dr Convertible turbocharged 225hp 1.8L I4
6-speed manual AWD		 pretty solid for a sports car... 25 mpg (with a lead foot) see full Audi TT review
 

What Our Members Are Saying about the Real Gas Mileage of the Porsche 911

Porsche 911 Real Gas Mileage: Cons
YearBody/PowertrainComment
2001 2dr Coupe turbocharged 415hp 3.6L H6
5-speed shiftable automatic AWD		 20mpg avg isnt the best see full Porsche 911 review