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Audi A7 / S7 / RS7 vs. Mercury Grand Marquis MPG

Chart is based on 45 fuel economy reports for the Audi A7 / S7 / RS7 and 67 fuel economy reports for the Mercury Grand Marquis.

Audi A7 / S7 / RS7 MPG

Audi A7 / S7 / RS7 Audi A7 / S7 / RS7 2014 21.2 MPG Highway Percentage 75 percent Audi A7 / S7 / RS7 Audi A7 / S7 / RS7 2012 29.1 MPG Highway Percentage 89 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 MPG
2014 4dr Hatch turbocharged 560hp 4.0L V8
8-speed shiftable automatic AWD
flat med light 4 1 20 75 65 21.2  
2012 4dr Hatch supercharged 310hp 3.0L V6
8-speed shiftable automatic AWD
mtns med none 0 8 3 89 66 29.1  

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This page shows only averages. See all the Audi A7 / S7 / RS7 fuel economy data.

Mercury Grand Marquis MPG

Mercury Grand Marquis Mercury Grand Marquis 2010 25.3 MPG Highway Percentage 90 percent Mercury Grand Marquis Mercury Grand Marquis 2009 19.0 MPG Highway Percentage 75 percent Mercury Grand Marquis Mercury Grand Marquis 2005 23.8 MPG Highway Percentage 75 percent Mercury Grand Marquis Mercury Grand Marquis 2004 25.7 MPG Highway Percentage 92 percent Mercury Grand Marquis Mercury Grand Marquis 2004 23.4 MPG Highway Percentage 30 percent Mercury Grand Marquis Mercury Grand Marquis 2003 21.8 MPG Highway Percentage 87 percent Mercury Grand Marquis Mercury Grand Marquis 2003 18.5 MPG Highway Percentage 40 percent Mercury Grand Marquis Mercury Grand Marquis 2002 22.0 MPG Highway Percentage 31 percent Mercury Grand Marquis Mercury Grand Marquis 2002 20.3 MPG Highway Percentage 10 percent Mercury Grand Marquis Mercury Grand Marquis 2000 21.8 MPG Highway Percentage 50 percent Mercury Grand Marquis Mercury Grand Marquis 2000 21.9 MPG Highway Percentage 55 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 MPG
2010 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat med light 0 0 10 90 70 25.3  
2009 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat med hvy 5 5 15 75 70 19.0  
2005 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
flat med none 5 5 15 75 60 23.8  
2004 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
flat med none 1 3 3 92 73 25.7  
2004 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat med light 5 5 60 30 70 23.4  
2003 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
flat med hvy 0 1 12 87 75 21.8  
2003 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat light light 15 26 19 40 68 18.5  
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2002 4dr Sedan 235-horsepower 4.6L V8
4-speed automatic RWD
flat light light 22 23 23 31 60 22.0  
2002 4dr Sedan 220-horsepower 4.6L V8
4-speed automatic RWD
flat light hvy 5 25 60 10 60 20.3  
2000 4dr Sedan 215-horsepower 4.6L V8
4-speed automatic RWD
flat med hvy 0 0 50 50 70 21.8  
2000 4dr Sedan 200-horsepower 4.6L V8
4-speed automatic RWD
flat light none 1 4 40 55 61 21.9  

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Audi A7 / S7 / RS7 vs. Mercury Grand Marquis MPG

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 A7 / S7 / RS7 and Mercury Grand Marquis's where a car was driven. So you can get an idea of their real-world MPG based on how and where you drive a car.

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

TrueDelta Reviews the Real Gas Mileage of the Audi A7 / S7 / RS7

Audi A7 / S7 / RS7 Real Gas Mileage: Pros
YearComment
2014 Now for the second half of the Audi A7 TDI's one-two punch: its diesel engine. No one denies the efficiency of diesels, and the latest Audi V6 doesn't disappoint. In the EPA's tests the TDI achieves 24 mpg city, 38 mpg highway. The gas engine's 18/28 ratings are impressive for a powerful gas V6 in a heavy all-wheel-drive car, but are no match for the diesel's. In my real-world driving the A7 TDI's trip computer generally reported mid-30s in the suburbs and about 40 on the highway (a little under this number on 70-mph Interstates, a little over it where speed limits were lower). Diesel can be unpleasant to put in the car--it's slimy and does not evaporate if spilled like gas does--but the A7 TDI can go up to 800 miles between fill-ups. In comparison, the gas V6 manages low 20s in the suburbs and high 20s on the highway. This said, the competing diesel from BMW is even more efficient. see full Audi A7 / S7 / RS7 review
 

What Our Members Are Saying about the Real Gas Mileage of the Audi A7 / S7 / RS7

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What Our Members Are Saying about the Real Gas Mileage of the Mercury Grand Marquis

Mercury Grand Marquis Real Gas Mileage: Pros
YearBody/PowertrainComment
2008 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
Incredible- 21mpg city, 27mpg HWY see full Mercury Grand Marquis review
Mercury Grand Marquis Real Gas Mileage: Cons
YearBody/PowertrainComment
2005 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
The V-8 is thirsty for city driving. The extra power would be nice for highway & mountain driving, though. see full Mercury Grand Marquis review