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(詳細はGM Sigma platform (Midsize) GM Zeta platform (for the Chevrolet Camaro) | successor = }} The GM Alpha platform currently underpins General Motors' compact to mid-size, front-engine, rear-wheel and four-wheel drive vehicles. Platform basics include MacPherson struts on the front, 5 link independent rear, use of high strength steel and aluminum, and an overall focus on reducing weight. The GM Alpha platform made its debut in the 2013 Cadillac ATS, which entered production in July 2012. ==History== Prior to the August 2012 debut of the compact Cadillac ATS, the first vehicle produced on the GM Alpha platform, Cadillac's smallest vehicle was the mid-size CTS. The CTS was as expensive as compact competitors like the Audi A4, the BMW 3-Series and the Mercedes-Benz C-Class but was noticeably larger and heavier, comparable in size and weight to the mid-size BMW 5-Series. Although Cadillac believed that customers would favor a 5-series sized car at a 3-series price, that assumption proved to be incorrect. Cadillac's research found that target customers who already owned vehicles like the 3-series or A4 didn't want a larger vehicle. General Motors began development of a platform to underpin a smaller car that would satisfy these target customers; that car would eventually become the ATS. 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「GM Alpha platform」の詳細全文を読む スポンサード リンク
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