For years, the Ford Bronco was essentially the same vehicle: a stubby SUV with a removable roof. The early Broncos were smaller, and the rest (those without “II” in their names) adopted shortened full-size truck underpinnings, but the formula was otherwise basically recognizable. But even Ford was considering what a larger Bronco might look like before a fuel crisis scared them straight, though it took an aftermarket conversion by Centurion Vehicles to bring the four-door Bronco into reality.

Not that Centurion called it a Bronco. Instead, it was the “Centurion Classic,” built off a crew-cab version of the F-150 or F-350. The rear quarters and roof were sourced from a contemporary Bronco. The Michigan-based outfit built these conversions for years, but it was the end of Bronco production to make way for the conceptually similar full-size Ford Expedition SUV that put the nail in its coffin.

These three-row, removable-roof SUVs were certainly unique, and as a customizer Centurion could make the interior as plush as a buyer wanted. The target was clearly the Chevrolet Suburban, and the Bronco roof was just a bonus. Ford had abandoned the full-size, four-door SUV market to GM for years. But the Expedition, based on the F-150, was the right vehicle for the right time.
Why was Ford so gun-shy, ceding its spot in the big SUV space to an aftermarket outfit like Centurion Vehicles? A few sources blame the oil crisis of 1973—a distressing time to have big fuel-guzzling cars in your lineup, and an even worse time to introduce a much larger truck-based job. That’s exactly what Ford was considering doing when they started exploring a replacement for the first-generation Bronco in 1972. The “Shorthorn” concept would evolve into the eventual 1978 Bronco—on a shortened F-Series platform with the fixed roof over the front passengers, and a removable roof behind.

However, it was the “Midhorn” concept that would have been a direct Suburban competitor. Ford got as far as producing some designs. This grainy image of a clay model shows a four-door configuration on one side (above), and a two-door on the other (below). In another universe, without an oil crisis, there’s no good reason why Ford shouldn’t have built it to take on the big GM SUVs.
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All of which explains why the first-generation Bronco stayed in production longer than expected, and the second-generation Bronco—essentially the Shorthorn concept come to life, with a later front end treatment—had a short run. Ford never made it back to considering a four-door Bronco, and that opened up room for Centurion’s fascinating run of Classic conversions.
The post The Story of the Big, Four-Door Bronco That Presaged the Expedition appeared first on MotorTrend.
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