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Audi A6 / S6 / RS6 vs. Audi A5 / S5 / RS5 Fuel Economy (L/100km)

Chart is based on 229 fuel economy reports for the Audi A6 / S6 / RS6 and 141 fuel economy reports for the Audi A5 / S5 / RS5.

Audi A6 / S6 / RS6 L/100km

Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2018 7.8 MPG Highway Percentage 55 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2016 7.5 MPG Highway Percentage 85 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2014 8.8 MPG Highway Percentage 40 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2013 13.6 MPG Highway Percentage 0 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2013 10.5 MPG Highway Percentage 65 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2012 7.4 MPG Highway Percentage 90 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2011 9.9 MPG Highway Percentage 15 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2010 9.4 MPG Highway Percentage 30 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2010 9.7 MPG Highway Percentage 65 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2008 11.9 MPG Highway Percentage 40 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2007 11.7 MPG Highway Percentage 49 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2007 19.4 MPG Highway Percentage 15 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2007 11.5 MPG Highway Percentage 65 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2007 9.5 MPG Highway Percentage 55 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2006.5 5.6 MPG Highway Percentage 95 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2006 10.0 MPG Highway Percentage 44 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2006 12.4 MPG Highway Percentage 63 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2006 8.2 MPG Highway Percentage 30 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2006 9.6 MPG Highway Percentage 62 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2005 13.1 MPG Highway Percentage 67 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2005 11.2 MPG Highway Percentage 54 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2004 13.0 MPG Highway Percentage 25 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2004 11.5 MPG Highway Percentage 54 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2004 11.7 MPG Highway Percentage 95 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2003 14.7 MPG Highway Percentage 30 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2003 11.5 MPG Highway Percentage 72 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2003 10.7 MPG Highway Percentage 50 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2003 10.8 MPG Highway Percentage 76 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2003 11.3 MPG Highway Percentage 65 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2003 11.6 MPG Highway Percentage 40 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2002 11.0 MPG Highway Percentage 60 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2002 14.7 MPG Highway Percentage 44 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2002 12.7 MPG Highway Percentage 43 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2002 12.3 MPG Highway Percentage 45 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2002 9.8 MPG Highway Percentage 40 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2002 12.7 MPG Highway Percentage 10 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2001 11.1 MPG Highway Percentage 8 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2001 11.4 MPG Highway Percentage 55 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2001 11.1 MPG Highway Percentage 33 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2000 11.8 MPG Highway Percentage 50 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2000 11.3 MPG Highway Percentage 60 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2000 14.3 MPG Highway Percentage 30 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2000 11.2 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 L/100km
2018 4dr Sedan supercharged 340hp 3.0L V6
8-speed shiftable automatic AWD
flat med hvy 5 5 35 55 65 7.8  
2016 4dr Sedan supercharged 333hp 3.0L V6
8-speed shiftable automatic AWD
flat med none 0 10 5 85 80 7.5  
2014 4dr Sedan supercharged 310hp 3.0L V6
8-speed shiftable automatic AWD
flat med hvy 0 10 50 40 80 8.8  
2013 4dr Sedan turbocharged 420hp 4.0L V8
7-speed automated manual AWD
flat med light 0 100 0 0 0 13.6  
2013 4dr Sedan supercharged 310hp 3.0L V6
8-speed shiftable automatic AWD
hills lead none 0 10 25 65 70 10.5  
2012 4dr Sedan supercharged 310hp 3.0L V6
8-speed shiftable automatic AWD
flat med none 10 0 0 90 65 7.4  
2011 4dr Sedan supercharged 300hp 3.0L V6
6-speed shiftable automatic AWD
flat med hvy 30 45 10 15 70 9.9  
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2010 4dr Wagon supercharged 300hp 3.0L V6
6-speed shiftable automatic AWD
flat med light 10 20 40 30 75 9.4  
2010 4dr Sedan supercharged 300hp 3.0L V6
6-speed shiftable automatic AWD
flat med light 9 6 20 65 88 9.7  
2008 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
flat med none 15 20 25 40 65 11.9  
2007 4dr Wagon 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
flat med light 0 11 40 49 75 11.7  
2007 4dr Sedan 435-horsepower 5.2L V10
6-speed shiftable automatic AWD
flat med light 30 50 5 15 70 19.4  
2007 4dr Sedan 350-horsepower 4.2L V8
6-speed shiftable automatic AWD
flat med light 10 5 20 65 70 11.5  
2007 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
hills light light 3 10 34 55 63 9.5  
2006.5 4dr Sedan turbocharged 140hp 2.0L I4 Diesel
6-speed manual FWD
flat v.lt none 5 0 0 95 60 5.6  
2006 4dr Wagon 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
flat med light 16 17 22 44 78 10.0  
2006 4dr Sedan 335-horsepower 4.2L V8
6-speed shiftable automatic AWD
flat med none 1 2 34 63 82 12.4  
2006 4dr Sedan 255-horsepower 3.1L V6
7-speed shiftable CVT FWD
flat med hvy 30 20 20 30 80 8.2  
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
flat med light 8 14 16 62 77 9.6  
2005 4dr Sedan 335-horsepower 4.2L V8
6-speed shiftable automatic AWD
flat med light 1 4 28 67 77 13.1  
2005 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
flat med light 11 13 23 54 81 11.2  
2004 4dr Sedan 300-horsepower 4.2L V8
5-speed shiftable automatic AWD
flat med none 25 25 25 25 75 13.0  
2004 4dr Sedan 265-horsepower 2.7L V6
5-speed shiftable automatic AWD
flat med light 4 25 17 54 70 11.5  
2004 4dr Sedan 220-horsepower 3.0L V6
5-speed shiftable automatic AWD
flat med none 5 0 0 95 68 11.7  
2003 4dr Wagon 340-horsepower 4.2L V8
5-speed shiftable automatic AWD
flat lead hvy 20 20 30 30 80 14.7  
2003 4dr Sedan turbocharged 450hp 4.2L V8
5-speed shiftable automatic AWD
flat med light 2 5 22 72 75 11.5  
2003 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD
flat med none 0 20 30 50 75 10.7  
2003 4dr Sedan turbocharged 250hp 2.7L V6
5-speed shiftable automatic AWD
flat light light 5 7 12 76 70 10.8  
2003 4dr Sedan 300-horsepower 4.2L V8
5-speed shiftable automatic AWD
hills med light 13 8 15 65 90 11.3  
2003 4dr Sedan 220-horsepower 3.0L V6
5-speed shiftable automatic AWD
flat light light 16 13 30 40 88 11.6  
2002 4dr Wagon 220-horsepower 3.0L V6
5-speed shiftable automatic AWD
flat light light 15 15 10 60 60 11.0  
2002 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD
flat med none 35 14 9 44 75 14.7  
2002 4dr Sedan turbocharged 250hp 2.7L V6
5-speed shiftable automatic AWD
flat med light 12 32 13 43 66 12.7  
2002 4dr Sedan 300-horsepower 4.2L V8
5-speed shiftable automatic AWD
flat light light 6 20 29 45 62 12.3  
2002 4dr Sedan 220-horsepower 3.0L V6
6-speed shiftable CVT FWD
flat med light 10 40 10 40 70 9.8  
2002 4dr Sedan 220-horsepower 3.0L V6
5-speed shiftable automatic AWD
flat light hvy 10 30 50 10 65 12.7  
2001 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD
flat med light 3 33 58 8 75 11.1  
2001 4dr Sedan turbocharged 250hp 2.7L V6
5-speed shiftable automatic AWD
flat med none 4 12 29 55 71 11.4  
2001 4dr Sedan 200-horsepower 2.8L V6
5-speed shiftable automatic AWD
hills med hvy 10 30 28 33 65 11.1  
2000 4dr Wagon 200-horsepower 2.8L V6
5-speed shiftable automatic AWD
hills med hvy 10 30 10 50 65 11.8  
2000 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD
flat med none 10 20 10 60 120 11.3  
2000 4dr Sedan 200-horsepower 2.8L V6
5-speed shiftable automatic FWD
hills light light 45 20 5 30 60 14.3  
2000 4dr Sedan 200-horsepower 2.8L V6
5-speed shiftable automatic AWD
hills med none 8 23 35 33 72 11.2  

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This page shows only averages. See all the Audi A6 / S6 / RS6 fuel economy data.

Audi A5 / S5 / RS5 L/100km

Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2013 8.6 MPG Highway Percentage 66 percent Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2012 9.6 MPG Highway Percentage 29 percent Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2011 15.0 MPG Highway Percentage 30 percent Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2011 12.2 MPG Highway Percentage 70 percent Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2011 9.2 MPG Highway Percentage 50 percent Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2010 9.4 MPG Highway Percentage 33 percent Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2010 11.0 MPG Highway Percentage 70 percent Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2010 10.4 MPG Highway Percentage 55 percent Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2009 11.7 MPG Highway Percentage 62 percent Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2009 8.9 MPG Highway Percentage 23 percent Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2008 5.0 MPG Highway Percentage 100 percent Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2008 8.9 MPG Highway Percentage 43 percent Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2008 14.9 MPG Highway Percentage 24 percent Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2008 9.6 MPG Highway Percentage 32 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 L/100km
2013 2dr Coupe turbocharged 211hp 2.0L I4
8-speed shiftable automatic AWD
flat med light 0 0 34 66 75 8.6  
2012 2dr Coupe turbocharged 211hp 2.0L I4
6-speed manual AWD
flat med light 5 16 50 29 66 9.6  
2011 2dr Coupe 354-horsepower 4.2L V8
6-speed shiftable automatic AWD
flat med light 10 30 30 30 75 15.0  
2011 2dr Coupe 354-horsepower 4.2L V8
6-speed manual AWD
hills light light 3 8 20 70 73 12.2  
2011 2dr Convertible turbocharged 211hp 2.0L I4
8-speed shiftable CVT FWD
flat light none 20 10 20 50 70 9.2  
2010 2dr Coupe turbocharged 211hp 2.0L I4
6-speed manual AWD
flat lead none 9 11 47 33 72 9.4  
2010 2dr Coupe 354-horsepower 4.2L V8
6-speed shiftable automatic AWD
flat med hvy 10 10 10 70 120 11.0  
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2010 2dr Convertible supercharged 333hp 3.0L V6
7-speed automated manual AWD
hills med none 0 5 40 55 88 10.4  
2009 2dr Coupe 354-horsepower 4.2L V8
6-speed manual AWD
flat med none 0 17 22 62 67 11.7  
2009 2dr Coupe 265-horsepower 3.2L V6
6-speed manual AWD
flat med light 10 28 40 23 68 8.9  
2008 2dr Coupe turbocharged 240hp 3.0L V6 Diesel
6-speed manual AWD
flat light light 0 0 0 100 100 5.0  
2008 2dr Coupe turbocharged 170hp 1.8L I4
6-speed manual FWD
flat med light 13 18 28 43 160 8.9  
2008 2dr Coupe 354-horsepower 4.2L V8
6-speed manual AWD
flat lead none 1 14 60 24 73 14.9  
2008 2dr Coupe 265-horsepower 3.2L V6
6-speed shiftable automatic AWD
flat med hvy 20 24 24 32 80 9.6  

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This page shows only averages. See all the Audi A5 / S5 / RS5 fuel economy data.

Audi A6 / S6 / RS6 vs. Audi A5 / S5 / RS5 Fuel Economy (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 Audi A6 / S6 / RS6 and Audi A5 / S5 / RS5's where a car was driven. So you can get an idea of their real-world L/100km based on how and where you drive a car.

See TrueDelta's information for all Sedans and Wagons.
See TrueDelta's information for all Audi models.

What Our Members Are Saying about the Real Gas Mileage of the Audi A6 / S6 / RS6

Audi A6 / S6 / RS6 Real Gas Mileage: Pros
YearBody/PowertrainComment
2008 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
It is @ least 4 mpg better hwy & city see full Audi A6 / S6 / RS6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
It's hard to imagine such a powerful luxury car can get such great gas mileage. On a recent trip to Montreal I calculated my fuel economy to be somewhere in the 27mpg range....incredible! see full Audi A6 / S6 / RS6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
better then 28 mpg on highway due to transmission gearing see full Audi A6 / S6 / RS6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
Despite the performance of the A6 3.2 it delivers great mpg for such a large car. It excels on the open road. With cruise it is possible to achieve a range of 650+ miles on a tankful. see full Audi A6 / S6 / RS6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
With the FSI and V6, I regularly see 27 mpg in city. And arround 30-32 mpg highway (no A/C on, and cruising at 80 mph). see full Audi A6 / S6 / RS6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
21=22 mpg in cit/commute/highway driving -- pretty good for a large luxury car that weighs 4000+ pounds. see full Audi A6 / S6 / RS6 review
2004 4dr Sedan 220-horsepower 3.0L V6
6-speed shiftable CVT FWD
Typically 22-24 in-town and 29-31 on the road. Excellent economy for car size and level of comfort. see full Audi A6 / S6 / RS6 review
Audi A6 / S6 / RS6 Real Gas Mileage: Cons
YearBody/PowertrainComment
2006 4dr Wagon 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
Poor relative to power see full Audi A6 / S6 / RS6 review
2006 4dr Sedan 335-horsepower 4.2L V8
6-speed shiftable automatic AWD
this is not a car to be used as a city daily driver -- the best mpg you will get in all city driving is 12mpg see full Audi A6 / S6 / RS6 review
2002 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD
For a car that requires 91+ octane, it would be nice if it got better gas mileage in city driving (around 16-18 mpg). The mileage on the highway is much better (up to 26 mpg). see full Audi A6 / S6 / RS6 review
 

What Our Members Are Saying about the Real Gas Mileage of the Audi A5 / S5 / RS5

Audi A5 / S5 / RS5 Real Gas Mileage: Pros
YearBody/PowertrainComment
2013 2dr Coupe turbocharged 211hp 2.0L I4
8-speed shiftable automatic AWD
Mileage seems to have leveled out at about 27 mpg with a 60/40 mix of highway and suburban driving. On longer trips, it has been as high as 30 mpg while driving a steady 75 mph. see full Audi A5 / S5 / RS5 review
2010 2dr Coupe turbocharged 211hp 2.0L I4
6-speed manual AWD
Averaging 9L/100KM, without feeling too conservative. see full Audi A5 / S5 / RS5 review
Audi A5 / S5 / RS5 Real Gas Mileage: Cons
YearBody/PowertrainComment
2011 2dr Coupe 354-horsepower 4.2L V8
6-speed manual AWD
I knew what gas mileage the S5 got long before I stepped onto the dealer lot. Still, I get 24 mpg on a full highway run. see full Audi A5 / S5 / RS5 review
2009 2dr Coupe turbocharged 170hp 2.0L I4 Diesel
6-speed manual AWD
Fuel economy is fair when going for a long ride, the car is AWD and heavy. I did however expect a somewhat lower fuel consumption when driving short-distance. see full Audi A5 / S5 / RS5 review
2008 2dr Coupe 354-horsepower 4.2L V8
6-speed manual AWD
It is not great, and if you have fun with the car, you will get less than 15MPG see full Audi A5 / S5 / RS5 review
2008 2dr Coupe 354-horsepower 4.2L V8
6-speed manual AWD
drinks too fast when driving is more aggressive see full Audi A5 / S5 / RS5 review
2008 2dr Coupe 354-horsepower 4.2L V8
6-speed manual AWD
Thirsty V8 coupled with a car that was born to be driven hard equals mid-teen MPG in mostly non-highway driving. see full Audi A5 / S5 / RS5 review