GM D Platform
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GM D Platform
The GM D platform (informally, D-body), was a General Motors automobile platform designation, used in two series (1936-1984 and 1985–1996) for large body-on-frame rear-wheel drive automobiles. For the majority of its existence the D-Body represented the largest Cadillac, either the Fleetwood Series 75 or the Fleetwood Limousine. In 1985 GM downsized and redesignated its traditional large car rear wheel drive GM C platform as the new much smaller and lighter front wheel drive GM C platform. It also shifted its traditional, D platform Fleetwood limousine to the new C platform, ending production of the historic D platform. In turn, it redesignated the former RWD C platform the new D platform, and maintained production of a few RWD holdovers on it. The original D platform was closely related to GM's other two rear-wheel drive large car platforms: the mainstream GM B and the upscale C platforms. But save for the limited production top-of-the-line 1936-1942 Buick Limited, the ...
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General Motors
The General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. It is the largest automaker in the United States and was the largest in the world for 77 years before losing the top spot to Toyota in 2008. General Motors operates manufacturing plants in eight countries. Its four core automobile brands are Chevrolet, Buick, GMC (automobile), GMC, and Cadillac. It also holds interests in Chinese brands Wuling Motors and Baojun as well as DMAX (engines), DMAX via joint ventures. Additionally, GM also owns the BrightDrop delivery vehicle manufacturer, GM Defense, a namesake Defense vehicles division which produces military vehicles for the United States government and military; the vehicle safety, security, and information services provider OnStar; the auto parts company ACDelco, a GM Financial, namesake financial lending service; and majority ownership in t ...
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GM B Platform
The B platform (also known as the B body) is a full-size rear-wheel drive car platform that was produced by General Motors (GM) from 1926 to 1996. Originally made for Oldsmobile and Buick, all of General Motors's five main makes would use it at some point. It was closely related to the original rear-wheel drive C and D platforms, and was used for convertibles, hardtops, coupes, sedans, and station wagons. With approximately 12,960,000 units built, divided across four marques, the 1965-70 B platform is the fourth best selling automobile platform in history after the Volkswagen Beetle, Ford Model T and the Fiat 124. Originally, the B platform was used for Buick and Oldsmobile products, with the A platform for Chevrolet and Oakland, and the C and D platforms devoted to Cadillac. During the General Motors companion make program, Vikings and Marquettes were also manufactured on this platform, as were La Salles from 1936 to 1940. The B platform became GM's base model platf ...
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GM Sigma Platform
The General Motors Sigma platform is a mid-size automobile platform used by General Motors from the 2003 to 2015 model years. Exclusive to the Cadillac division, Sigma was the successor to the Opel-designed V platform. Initially developed for executive cars, the architecture was expanded for larger model lines, sports sedans, and multiple body styles. Two generations of the Sigma platform were developed by GM for worldwide markets. The architecture was discontinued for the 2016 in favor of the GM Alpha platform, itself utilized nearly exclusive by Cadillac. Sigma I The first Cadillac-exclusive platform since the D-body chassis, Sigma debuted in early 2002 for the 2003 model year underpinning the Cadillac CTS, replacing the Cadillac Catera. Slightly larger than its V-body predecessor, the rear-wheel drive Sigma architecture was developed to accommodate all-wheel drive and extended-wheelbase variants. For 2004, the Cadillac STS was introduced on the Sigma platform, r ...
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Flint, Michigan
Flint is the largest city and seat of Genesee County, Michigan, United States. Located along the Flint River, northwest of Detroit, it is a principal city within the region known as Mid Michigan. At the 2020 census, Flint had a population of 81,252, making it the twelfth largest city in Michigan. The Flint metropolitan area is located entirely within Genesee County. It is the fourth largest metropolitan area in Michigan with a population of 406,892 in 2020. The city was incorporated in 1855. Flint was founded as a village by fur trader Jacob Smith in 1819 and became a major lumbering area on the historic Saginaw Trail during the 19th century. From the late 19th century to the mid 20th century, the city was a leading manufacturer of carriages and later automobiles, earning it the nickname "Vehicle City". General Motors (GM) was founded in Flint in 1908, and the city grew into an automobile manufacturing powerhouse for GM's Buick and Chevrolet divisions, especially after Wo ...
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Cadillac Fleetwood
The Cadillac Fleetwood is a model of luxury car that was manufactured by the Cadillac division of General Motors between 1976 and 1996. The "Fleetwood" name was previously used as a prefix on several of Cadillac's models dating back to 1935. Four-door Fleetwoods generally had longer wheelbases than Cadillac's more common Series 62 and DeVille models. Through 1984, all Fleetwood series cars were rear-wheel drive. Between 1985 and 1992, the Fleetwood name was used on new front-wheel drive models that were closely related to the concurrent DeVille. The older RWD Fleetwood was also kept in production through 1992; it was first known as the Fleetwood Brougham through 1987 and from then on as simply Brougham. In 1987, a stretched-wheelbase version of the front-wheel drive model joined the lineup as the Fleetwood 60 Special, a name which was last used as a trim level on the 1970 Fleetwood. In 1993, a new rear-wheel drive Fleetwood was introduced and was built through 1996. Before 1 ...
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Cadillac Brougham
The Cadillac Brougham was a line of full-size luxury cars manufactured by the Cadillac Motor Car Division of General Motors from the 1987 through 1992 model years and was marketed from 1977 to 1986 as the Cadillac Fleetwood Brougham. The optional "d'Elegance" trim package that was introduced during the Fleetwood era remained available. The model received a facelift in 1990 and was replaced by the 1993 rear wheel drive D-body Cadillac Fleetwood. History Originally used for a single horse drawn enclosed carriage for 2-4 people, the “Brougham” owes its name to British statesman, Henry Brougham. Cadillac first used the name in 1916 to designate an enclosed 5-7 passenger sedan body style. In the thirties, the name was given to a formal body style with an open chauffeur compartment and enclosed rear quarters, metal roof and often "razor-edged" styling. When Cadillac started offering Fleetwood bodies on some of its cars in 1925, the Brougham body style was Fleetwood bodied e ...
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Cadillac Fleetwood Brougham
The Cadillac Fleetwood Brougham was a luxury car manufactured by Cadillac from 1977 through 1986. In 1987, the Fleetwood Brougham name was shortened to simply Brougham, with production continuing through 1992 with only minor updates. Cadillac used the "Fleetwood" name as a prefix between 1934 and 1976 on several of its most expensive models, always designating an elevated level of luxury. Between 1958 and 1961, Cadillac used the "Brougham" sub-designation for its exclusive four-door Eldorado models. In 1965, the "Brougham" name was first affixed to "Fleetwood" on the Fleetwood Sixty Special as an upgraded option package, which included a vinyl roof and special "Brougham" script lettering on the sides, but it was not a separate model. In 1966, the Fleetwood Brougham was added as a separate model, accompanying the Fleetwood 60 Special, which continued through 1970. In 1971, with the Fleetwood Brougham outselling the Fleetwood 60 Special by a large margin, the two models were con ...
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Cadillac Series 70
The Cadillac Series 70 (models 70 and 75) is a full-size V8 engine, V8-powered series of cars that were produced by Cadillac from the 1930s to the 1980s. It replaced the 1935 Cadillac Series 355, 355E as the company's mainstream car just as the much less expensive Cadillac Series 60, Series 60 was introduced. The Series 72 and 67 were similar to the Series 75 but the 72 and 67 were produced on a slightly shorter and longer wheelbase respectively. The Series 72 was only produced in 1940 and the Series 67 was only produced in 1941 and 1942. For much of the Post-war, postwar era, it was the top-of-the-line Cadillac, and was Cadillac's factory-built limousine offering. Production of the short wheelbase Series 70 ceased in 1938, but reappeared briefly as the relatively expensive Cadillac Eldorado#Third generation (1957–1958), Series 70 Eldorado Brougham 4-door hardtop from 1957 to 1958, while the long wheelbase Series 75 made a final appearance in the 1987 model year. 1936–1937 ...
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Cadillac V-16
The Cadillac V-16 (also known as the Cadillac Sixteen) was Cadillac's top-of-the-line model from its January 1930 launch until 1940. The V16 powered car was a first in the United States, both extremely expensive and exclusive, with every chassis being custom-finished to order. Only 4,076 were constructed in its 11-year run, with the majority built in its debut year before the Great Depression took strong hold. The onset of World War II reduced the sales, resulting in its demise. Genesis In 1926, Cadillac began the development of a new, "multi-cylinder" car. A customer requirement was seen for a car powered by an engine simultaneously more powerful and smoother than any other available. Development proceeded in great secrecy over the next few years; a number of prototype cars were built and tested as the new engine was developed, while at the same time Cadillac chief Larry Fisher and GM's stylist Harley Earl toured Europe in search of inspiration from Europe's finest coachbuild ...
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Cadillac V-12
The Cadillac V-12 is a top-of-the-line car that was manufactured by Cadillac from the 1931 through the 1937 model years. All were furnished with custom bodies, and the car was built in relatively small numbers. A total of 10,903 were made in the seven model years that the automobile was built, with the majority having been constructed in its inaugural year. It was Cadillac's first, and is to date, Cadillac's only standard production V-12 powered car. Origin In the mid to late 1920s a number of luxury car manufacturers began work developing multicylinder engines. Not to be outdone, Cadillac began work on two different multicylinder engines, a V-12 and a V-16. Larry Fisher, Cadillac General Manager, leaked to the press information about the V-12, hoping to keep the V-16 a secret. Owen Nacker, who designed the Cadillac V-16 engine, also designed the Cadillac V-12 engine, and it shared the tooling and many of the components of the V-16. The V-12 was essentially a truncated V-16, ...
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Buick Limited
The Limited was Buick's flagship limousine between 1936 and 1942 and, during model year 1958 during GM's Fiftieth Anniversary, the halo car for Buick. After the vehicle was retired in 1959, Buick has intermittently used the "Limited" name for several decades to denote those models which featured a high level of trim and standard options in its various model ranges. Vehicles given the Limited nameplate were in direct competition with Cadillac senior sedans for clientele who wanted a GM luxury sedan but regarded Cadillac as "ostentatious" or "flamboyant" as Buick had over time earned a reputation of low-key conservative appearance while focusing on durability and reliability. The Limited nameplate returned in the mid-1960s denoting the top trim package on Buick vehicles for several decades thereafter. Buick Series 90 (1931-1935) Buick's top platform was introduced as the Series 90 as a competitor to the Packard Standard Eight introduced earlier. It had an Buick Straight-8 eng ...
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