The 2003-2004 Mercury Marauder was a performance version of the Grand Marquis built on Ford's rear-drive Panther platform at the St. Thomas, Ontario plant. It swapped the standard 2-valve 4.6 for a 4.6 liter DOHC 32-valve V8 rated at 302 hp, backed by a 4-speed automatic and a limited-slip rear axle with 3.55 gears. Mercury built about 11,052 of them over two model years, roughly 7,838 for 2003 and 3,214 for 2004, before the car was dropped.
Other Mercury Marauder generations
Platform
The 2003-2004 Mercury Marauder sits on the Panther platform, the same body-on-frame rear-drive chassis as the Grand Marquis, Crown Victoria, and Town Car, and it launched on the revised 2003 chassis with rack-and-pinion steering. It used heavier-duty brake and suspension components from the Crown Victoria Police Interceptor parts bin, kept the rear air springs of the civilian cars, and got Marauder-specific tuning. Every one came in monochrome trim: body-color bumpers and grille surround, blacked-out chrome, and 18 inch five-spoke wheels, which set it apart from the chrome-heavy Grand Marquis it was based on.
Engine
One engine only. The Marauder got a 4.6 liter DOHC 32-valve V8, an aluminum-block Modular that shares its block, heads, and cams with the 2003-2004 Mustang Mach 1 and Lincoln Aviator, rated at 302 hp at 5,750 rpm and 318 lb-ft at 4,300 rpm (net). The standard Grand Marquis made do with the 2-valve SOHC 4.6 at 224 hp, or 239 hp with the optional dual exhaust, so the Marauder was the only Panther sedan ever sold with the 4-cam engine. It pulls hard up top for what it is, but the car weighs a bit over 4,100 lb, so mid 7-second 0-60 times are typical stock.
Drivetrain and transmissions
- Rear-wheel drive with a limited-slip (Traction-Lok) rear axle and 3.55:1 gears, a much shorter ratio than the standard Grand Marquis carried. An aluminum driveshaft was standard.
- 2003 cars use the 4R70W 4-speed automatic.
- 2004 cars moved to the strengthened 4R75W 4-speed automatic. That is the main mechanical difference between the two years.
- Dual exhaust with polished tips was standard.
Interior
Inside, the Marauder ran leather buckets with a floor console and shifter instead of the Grand Marquis bench. The cluster carried satin-aluminum-finish gauges, a 140 mph speedometer, and a tachometer no other Panther of the era offered, plus oil pressure and voltage pods mounted low on the console. Seats were embroidered with the old Mercury "god head" logo, which also appears on the wheel center caps.
Year-by-year changes
- 2003: Launch year, black only at first. Silver Birch and Dark Blue Pearl were added late in the model year. About 7,838 built, making 2003 the higher-production year by a wide margin.
- 2004: Dark Toreador Red replaced Dark Blue Pearl in the color chart alongside Black and Silver Birch, and the 4R75W transmission replaced the 4R70W. About 3,214 built. Production ended in 2004 and Mercury never replaced the car.
Trims and variants
There were no trim levels. Every 2003-2004 Marauder came one way: DOHC V8, 4-speed automatic, limited-slip 3.55 axle, monochrome exterior, leather buckets. The meaningful differences between individual cars come down to model year (which transmission), color, and a short options list. Ford also built a single Marauder convertible show car for the 2002 Chicago Auto Show, running a supercharged 4.6 rated at 335 hp, but it stayed a one-off and never reached production.
Asked all the time
What engine does the 2003-2004 Mercury Marauder have?
Every 2003-2004 Mercury Marauder has a 4.6 liter DOHC 32-valve V8 rated at 302 hp and 318 lb-ft, an aluminum-block Modular engine shared with the 2003-2004 Mustang Mach 1 and Lincoln Aviator. It was the only Panther-platform sedan sold with the 4-cam engine; the related Grand Marquis used the 2-valve SOHC 4.6 rated at 224 hp, or 239 hp with the optional dual exhaust.
What is the difference between a 2003 and a 2004 Mercury Marauder?
The main mechanical change is the transmission: 2003 Marauders use the 4R70W 4-speed automatic, while 2004 cars got the stronger 4R75W. Colors also shifted, with Dark Toreador Red replacing Dark Blue Pearl for 2004. Engine, axle, and trim are otherwise the same both years.
How many Mercury Marauders were built?
Mercury built about 11,052 Marauders total for 2003-2004: roughly 7,838 for the 2003 model year and 3,214 for 2004. Sales fell well short of expectations and the car was discontinued after 2004.
What colors did the 2003-2004 Mercury Marauder come in?
The 2003 Mercury Marauder launched in black only, with Silver Birch and Dark Blue Pearl added late in the model year. For 2004 the choices were Black, Silver Birch, and Dark Toreador Red. Black is by far the most common color across both years.
Does the Mercury Marauder have a limited-slip differential?
Yes. Every 2003-2004 Mercury Marauder came standard with a Traction-Lok limited-slip rear axle running 3.55:1 gears, noticeably shorter than the ratios in a standard Grand Marquis of the same years.
Which year Mercury Marauder should I look for?
For the 2003-2004 Mercury Marauder, many buyers prefer 2004 cars for the stronger 4R75W transmission, but only about 3,214 were built so they cost more and are harder to find. A well-kept 2003 with the 4R70W is otherwise the same car, and 2003 examples (about 7,838 built) are easier to source.
The wall · registered 2003–2004 Marauders
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