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Mercury Grand Marquis Fuel Economy Data

4dr Sedan 224-hp 4.6L V8 4-sp automatic RWD

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
flat light none 0 55 40 5 70 16.300
flat light none 5 50 30 15 70 18.200
flat med light 50 0 0 50 65 18.000
flat light hvy 0 1 1 99 65 18.123
flat med hvy 20 24 24 32 70 22.000

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2003 Mercury Grand Marquis Gas Mileage (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 Mercury Grand Marquis's real-world MPG based on how and where you drive a car.