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1969-1970 Mercury Marauder X100: Dearborn's Forgotten Luxury Muscle Machine

What was it about the end of the muscle car era that seemed to embiggen the dreams of auto designers across America? As the 60s melted into the 70s, wheelbases ballooned, trunks grew cavernous, and hoods stretched infinitely towards a horizon whose promise of 'cheap gas forever' would quickly be shocked back to reality by a pair of concurrent energy squeezes and the establishment of the EPA's new emissions standards.

There were a few automakers who attempted to marry both the grandiose, plus-size sheet metal its stylists were convinced Americans wanted, with the high performance thrills that had dominated much of the previous decade. Faced with the ponderous curb weights that were now part-and-parcel of the land yacht experience, that usually meant stuffing as many cubes as possible under the hood.

Mercury Marauder X100

With the big blocks came a new breed of muscle machine that would trade quarter mile shenanigans for earth-shaking torque more suited for highway passing than quick ETs. Gradually, this new segment would come to be to be colonized by intermediate luxury brands—those one-step-above players not quite at the level of Cadillac but still able to charge a premium on top of what one would expect from Ford, Chevrolet or Dodge.

Of these new players, one of the most eye-catching, and rare, would be Mercury's Marauder X100.

What's Old Is New Again

If the Marauder name sounds familiar, that's because it had previous been used as hi-po trim level on the Park Lane hardtops in the mid-60s. This time, however, the attention shifted to the Marquis, a huge coupe measuring 124 inches from axle-to-axle, and an astonishing 19 feet from bow to stern.

It was an exciting time for those shopping in the 'personal luxury' market, which was essentially code for leather+muscle in a two-door package. In this arena GM had the one-two punch of the Oldsmobile Toronado and Buick Riviera, while Chrysler was pushing the New Yorker.

Mercury Marauder X100

Facing a relatively stacked field, Mercury elected to created a unique model of the Marquis aimed squarely at those who had 'graduated' from stripped-down drag cars but still wanted the ability to summon scary power with their right foot. Thus was born the Marauder, a model that snipped a foot from the overall length of the Marquis but still maintained its enormous overall proportions.

Cubic Inches, Please

Aside from its perhaps imperceptible tuck, the Marauder had a few other indicators to passersby that this was no ordinary Marquis. The fastback roofline gave what could have been an ungainly interpretation of Mercury's full-size design language a surprising grace, which was offset somewhat by half-covers for the wheels that were grafted into the rear fenders (optional on the base car, but standard with the hotter X100).

From a modern perspective, the Marauder's curb weight was roughly equivalent to that of a fully-loaded, recent model Chrysler 300 C. That meant that its 265 horsepower, 390 cubic inch V8 wasn't all that much to write home about, and if that had been the X100's power plant then the car would have likely ghosted into the mists of time, unnoted and unloved.

Mercury Marauder X100

Fortunately, Mercury was serious about using displacement to differentiate the X100 from its Marauder roots, and as a result all cars came with a 360 horsepower, 429 CID V8 that also pushed out an astonishing 480 lb-ft of torque at a very low 2,800 rpm. This was the same N-code engine that would be dubbed the 'Cobra Jet' in other Ford applications.

From a performance perspective, even with the big block the Marauder X100 wasn't exactly dominating the street. A mid-15 second quarter mile was possible if owners ticked the box for the available limited-slip differential and 3.25:1 rear gearing, and the sprint to 60 miles per hour was accomplished in a respectable 7.8 seconds.

Mercury Marauder X100

A 3-speed automatic transmission was standard, but if one wanted a bit of extra body control in the corners it was possible to upgrade to a 'competition' suspension that featured burlier shocks and springs as well as a thicker anti-sway bar. Where the car truly shined, however, was on the highway, what with gobs of torque generously doled out at speeds that would truly test the mettle of the car's available power brakes.

Too Short A Season

Part of why the Marauder X100 only last a couple of years in Mercury showrooms was due to lukewarm interest from the brand's traditional customers. Roughly a third of Marauder sales were X100 models the first year of production, a slice that jumped to 50 percent the second year—no doubt as a result of the $700 price delta between the two cars, which while not cheap, wasn't a deal-breaker for well-heeled buyers.

The trouble was, by 1970 Mercury was selling 10,000 fewer Marauders than it had in 1969, making it hard to justify the model's existence. Add to that a desire by brand bosses to go even bigger in terms of styling and creature comforts, while leaving performance behind, and the X100 was the odd one out once 1971 rolled around and Mercury reconfigured its line-up to seek out buyers who had been priced out of a Lincoln.

Mercury Marauder X100

Mercury wouldn't give up on personal luxury performance entirely, as the Cougar would briefly offer several intriguing drivetrain options in the 1980s, but for the most part the departure of the X100 showed that the company was well on its way to becoming a FoMoCo clone-maker. Today the mega-coupe stands as a still-affordable example of palatable automotive excess just before the 'more-is-more' philosophy went completely off the rails for early 70s domestic automakers.

Curious about other fast Mercurys? Check out these Foxes that aren't Mustangs.

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