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The Roadmaster is an automobile that was built by Buick from 1936 to 1958, and again from 1991 to 1996. Roadmasters produced between 1936 and 1958 were built on Buick's longest non-limousine wheelbase and shared their basic structure with entry-level Cadillac and, after 1940, senior Oldsmobiles. Between 1946 and 1957 the Roadmaster served as Buick's flagship, and when it was resurrected for the 1991 through 1996 model years it was the marque's largest vehicle. ==1936–1937== The origins of the Roadmaster name date to 1936 when Buick added names to its entire model lineup to celebrate the engineering improvements and design advancements over their 1935 models. Buick's Series 40 was named the Special, the Series 60 was named the Century and the Series 90 — Buick's largest and most luxurious vehicle — was named the Limited. The Series 50 was retired, but new for the model year was the Series 80 Roadmaster. The implications of the name were clear, for as the 1936 Buick sales catalogue said, "It literally named itself the first time a test model leveled out on the open highway." The Roadmaster was introduced in a year when Buick's valve-in-head straight-eight engines were heavily revised. Buick reduced the number of engines from four sizes to two: a 233-cubic-inch, 93-horsepower job for the Special, and a big, 320.2-cubic inch, 120-horsepower engine for the other series. (To put the size and power of Buick’s larger straight-eight engine in context, compare it to the new 322-cubic-inch mono-block 120 horsepower V-8 that Cadillac introduced that year.) In addition to this major engineering change 1936 was also the year Buick adopted an all steel turret top and hydraulic brakes. Coil springs were in the front.〔 The Roadmaster was a big car, in sedan form tipping the scales at 4,098 pounds, some 88 pounds heavier than Cadillac's new Series 60. But pricewise, the Roadmaster was a tremendous bargain. The sedan sold for $1,255, $440 less than the least expensive Cadillac. The only other body style available was a four-door convertible phaeton, priced at $1,565 (of which only 1064 were produced), at a time when a Cadillac in the same body style sold at prices ranging from $2,745 to $7,850. Buick’s new engineering and styling was a big hit, with model year sales more than tripling from just over 48,000 to nearly 158,000, and with the all new Series 80 Roadmaster contributing a total of 16,049 units to that number. With Roadmaster being a completely new model, and with Buick having totally restyled its entire line for 1936, one might have expected only modest changes for 1937. But that was not the case. Buick was the only GM car, along with the Chevrolet Standard, to retain its basic 1934 styling for 1935, so the 1936 re-style merely caught Buick up with the rest of the GM marques. For 1937, Buick moved to newly re-styled bodies along with all other GM cars. The Roadmaster gained a divided grille with horizontal bars. The center section of the grille was painted to match the body of the car. Fenders became squared off and the headlight shells were gracefully streamlined. Overall height fell by without sacrificing interior room. A new carburetor and revised camshaft raised engine horsepower to 130. The engine also received a new intake manifold, oil pump, cooling system and a quieter overhead valve mechanism. A formal sedan, featuring a roll-down glass partition between the front and rear compartments, was added to the Roadmaster line for $1,641, of which 452 were sold. The price of the sedan was raised to $1,518, and that of the phaeton to $1,856, or by 21 percent and 19 percent respectively. Nevertheless, overall Roadmaster sales increased to 16,129. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Buick Roadmaster」の詳細全文を読む スポンサード リンク
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