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2003 Mercury Grand Marquis

5 trims · Sedan

Starting MSRP

$23,970 – $30,170

Key specifications

NHTSA safety

Not rated

Frontal (driver)★★★★★
Frontal (passenger)★★★★★

Source: NHTSA

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Manufacturer specs and trim data below are still available for research. Check back for dealer inventory, or browse other Mercury models.

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Pricing

How much should you pay for the Mercury Grand Marquis? Select a trim to update purchase and lease estimates.

MSRP by trim

Select a trim to update the payment estimates. MSRP is for each trim's base configuration and excludes destination, taxes, and options.

Purchase information

Based on GS

Total price (GS MSRP)

$23,970

Typical monthly

$475/mo

Avg. APR

7.00%

60-month loan estimate for good credit (rates as of 2026-07-12). Not a credit offer; actual APR varies by lender, credit, and dealer.

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Compare 2003 Mercury Grand Marquis trims

  • GS

    MSRP
    $23,970
    Fuel economy (city/hwy)
    16/23
    Horsepower
    224 hp
    Torque
    272 lb-ft
    Engine
    4.6L V8 gas
    Seating
    6
    Drivetrain
    RWD
    Cargo (cu ft)
    20.6
    Max towing
  • GS Convenience

    MSRP
    $24,870
    Fuel economy (city/hwy)
    16/23
    Horsepower
    224 hp
    Torque
    272 lb-ft
    Engine
    4.6L V8 gas
    Seating
    6
    Drivetrain
    RWD
    Cargo (cu ft)
    20.6
    Max towing
  • LS Premium

    MSRP
    $28,770
    Fuel economy (city/hwy)
    16/23
    Horsepower
    224 hp
    Torque
    272 lb-ft
    Engine
    4.6L V8 gas
    Seating
    6
    Drivetrain
    RWD
    Cargo (cu ft)
    20.6
    Max towing
  • LSE

    MSRP
    $29,505
    Fuel economy (city/hwy)
    16/23
    Horsepower
    239 hp
    Torque
    287 lb-ft
    Engine
    4.6L V8 gas
    Seating
    5
    Drivetrain
    RWD
    Cargo (cu ft)
    20.6
    Max towing
  • LS Ultimate

    MSRP
    $30,170
    Fuel economy (city/hwy)
    16/23
    Horsepower
    224 hp
    Torque
    272 lb-ft
    Engine
    4.6L V8 gas
    Seating
    6
    Drivetrain
    RWD
    Cargo (cu ft)
    20.6
    Max towing

Manufacturer specifications by trim and drivetrain. Same trim names with different MSRPs are distinct FWD/AWD (or other drivetrain) configurations from the catalog. MSRP excludes destination fees, taxes, and dealer-installed options.

Full specifications

Engine & drivetrain

Engine type
GSgas
GS Conveniencegas
LS Premiumgas
LSEgas
LS Ultimategas
Fuel type
GSregular unleaded
GS Convenienceregular unleaded
LS Premiumregular unleaded
LSEregular unleaded
LS Ultimateregular unleaded
Cylinders
GSV8
GS ConvenienceV8
LS PremiumV8
LSEV8
LS UltimateV8
Displacement
GS4.6 L
GS Convenience4.6 L
LS Premium4.6 L
LSE4.6 L
LS Ultimate4.6 L
Horsepower
GS224 hp
GS Convenience224 hp
LS Premium224 hp
LSE239 hp
LS Ultimate224 hp
Torque
GS272 lb-ft
GS Convenience272 lb-ft
LS Premium272 lb-ft
LSE287 lb-ft
LS Ultimate272 lb-ft
Transmission
GS4-speed automatic
GS Convenience4-speed automatic
LS Premium4-speed automatic
LSE4-speed automatic
LS Ultimate4-speed automatic
Drivetrain
GSrear wheel drive
GS Conveniencerear wheel drive
LS Premiumrear wheel drive
LSErear wheel drive
LS Ultimaterear wheel drive

Dimensions

Body type
GSSedan
GS ConvenienceSedan
LS PremiumSedan
LSESedan
LS UltimateSedan
Doors
GS4
GS Convenience4
LS Premium4
LSE4
LS Ultimate4
Seating
GS6
GS Convenience6
LS Premium6
LSE5
LS Ultimate6
Length
GS211.9 in
GS Convenience211.9 in
LS Premium211.9 in
LSE211.9 in
LS Ultimate211.9 in
Width
GS78.2 in
GS Convenience78.2 in
LS Premium78.2 in
LSE78.2 in
LS Ultimate78.2 in
Height
GS56.8 in
GS Convenience56.8 in
LS Premium56.8 in
LSE56.8 in
LS Ultimate56.8 in
Wheelbase
GS114.7 in
GS Convenience114.7 in
LS Premium114.7 in
LSE114.7 in
LS Ultimate114.7 in

Capacity & weight

Cargo capacity
GS20.6 cu ft
GS Convenience20.6 cu ft
LS Premium20.6 cu ft
LSE20.6 cu ft
LS Ultimate20.6 cu ft
Max cargo capacity
GS20.6 cu ft
GS Convenience20.6 cu ft
LS Premium20.6 cu ft
LSE20.6 cu ft
LS Ultimate20.6 cu ft
Curb weight
GS3,957 lbs
GS Convenience3,957 lbs
LS Premium3,957 lbs
LSE3,957 lbs
LS Ultimate3,957 lbs
Fuel tank
GS19 gal
GS Convenience19 gal
LS Premium19 gal
LSE19 gal
LS Ultimate19 gal

Fuel economy & EV

Combined MPG
GS18
GS Convenience18
LS Premium18
LSE18
LS Ultimate18
City MPG
GS16
GS Convenience16
LS Premium16
LSE16
LS Ultimate16
Highway MPG
GS23
GS Convenience23
LS Premium23
LSE23
LS Ultimate23

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2003 Mercury Grand Marquis: Prices, Trims, Specs & Safety | Open Dealer