Research 2009 Mercury Grand Marquis specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

LS 4dr Sedan LS


Brake Type Power
Disc - Front (Yes or ) Yes
Disc - Rear (Yes or ) Yes
Brake ABS System 4-Wheel
Drum - Rear (Yes or )
Rear Drum Diam x Width (in)
Front Brake Rotor Diam x Thickness (in) 12.0 x - TBD -
Rear Brake Rotor Diam x Thickness (in) 11.6 x - TBD -

Cargo Area Dimensions

Trunk Volume (ft³) 20.6

Cooling System

Total Cooling System Capacity (qts) 18.9


Maximum Alternator Capacity (amps) 135
Cold Cranking Amps @ 0° F (Primary) 650


EPA Greenhouse Gas Score 5


Displacement 4.6L/281
SAE Net Horsepower @ RPM 224 @ 4800
SAE Net Torque @ RPM 275 @ 4000
Engine Order Code 99V
Engine Type Gas/Ethanol V8
Fuel System SEFI

Exterior Dimensions

Wheelbase (in) 114.6
Liftover Height (in) - TBD -
Min Ground Clearance (in) - TBD -
Track Width, Rear (in) 65.6
Track Width, Front (in) 63.4
Height, Overall (in) 58.3
Width, Max w/o mirrors (in) 78.3
Length, Overall (in) 211.1

Fuel Tank

Fuel Tank Capacity, Approx (gal) 19.0

Interior Dimensions

Front Shoulder Room (in) 60.6
Front Leg Room (in) 41.6
Front Head Room (in) 39.5
Second Head Room (in) 37.8
Second Leg Room (in) 38.0
Second Shoulder Room (in) 60.0
Second Hip Room (in) 56.1
Front Hip Room (in) 57.4
Passenger Volume (ft³) 107.5
Passenger Capacity 6


EPA Fuel Economy Est - City (MPG) 16
Fuel Economy Est-Combined (MPG) 19
EPA Fuel Economy Est - Hwy (MPG) 24


Turning Diameter - Curb to Curb (ft) 40.3
Lock to Lock Turns (Steering) - TBD -
Steering Type Variable Assist Pwr Rack & Pinion
Steering Ratio (:1), Overall 16.4
Turning Diameter - Wall to Wall (ft) - TBD -


Vehicle Name Mercury Grand Marquis
Vehicle Name Mercury Grand Marquis
Body Style 4 Door Sedan


Suspension Type - Rear Air suspension
Suspension Type - Front Independent
Stabilizer Bar Diameter - Rear (in)
Stabilizer Bar Diameter - Front (in) - TBD -
Shock Absorber Diameter - Rear (mm) - TBD -
Shock Absorber Diameter - Front (mm) - TBD -
Suspension Type - Rear (Cont.)
Suspension Type - Front (Cont.)


Front Tire Order Code T3F
Spare Tire Order Code
Rear Tire Order Code T3F
Rear Tire Size P225/60TR17
Spare Tire Size Compact
Front Tire Size P225/60TR17


Dead Weight Hitch - Max Trailer Wt. (lbs) 1500
Dead Weight Hitch - Max Tongue Wt. (lbs) 150
Wt Distributing Hitch - Max Trailer Wt. (lbs)
Wt Distributing Hitch - Max Tongue Wt. (lbs)


Drivetrain Rear Wheel Drive
Fourth Gear Ratio (:1) 0.70
Third Gear Ratio (:1) 1.00
Second Gear Ratio (:1) 1.55
First Gear Ratio (:1) 2.84
Trans Description Cont. Again
Trans Description Cont. Automatic w/OD
Trans Type 4
Trans Order Code - TBD -
Final Drive Axle Ratio (:1) 2.73
Clutch Size (in)
Reverse Ratio (:1) - TBD -
Sixth Gear Ratio (:1)
Fifth Gear Ratio (:1)


EPA Classification Large

Weight Information

Base Curb Weight (lbs) 4117


Spare Wheel Size (in) Compact
Rear Wheel Size (in) 17 x - TBD -
Front Wheel Size (in) 17 x - TBD -
Spare Wheel Material Steel
Rear Wheel Material Aluminum
Front Wheel Material Aluminum