GM U platform
| U-platform | |
|---|---|
 |
|
| Overview | |
| Manufacturer | General Motors |
| Production | North America: 1990–2009 China: 2000–present |
| Assembly |
Tarrytown, New York (1990–1996) Doraville, Georgia (1997–2008) |
| Body and chassis | |
| Class |
Minivan Crossover SUV |
| Layout | FF layout/All-Wheel Drive |
| Body style(s) | 3-door minivan 4-door minivan 4-door Crossover SUV |
| Chronology | |
| Successor | GM Lambda platform (North America and Middle East) |
The U-platform (or U-body) is a front wheel drive minivan and crossover SUV platform from General Motors produced since 1990. North American sales ended in 2009, but Chinese production continues. The minivans were divided into three generations, 1990–1996, 1997–2005 and 2005-current. The U-body was also used for General Motors' first generation crossovers from 2001-2005.
Keeping with its EPA designation as a light truck, the fifth character in the VIN for a U-body is "U", instead of the fourth, as is standard for cars.
Released in the fall of 1989 for the 1990 model year, the U platform/GMT199 utilized a galvanized steel space frame underneath composite plastic dent resistant panels similar to those used in Saturn models and the Pontiac Fiero. The vans features unconventional styling, which some commenters likened to a DustBuster vacuum cleaner.
All models used a 120-hp, 3.1L V6 mated to a 3-speed automatic transmission. In 1992, the 3800 Series I V6 became available with a four speed automatic. Both were replaced by the LA1 3400 V6 in 1996.
The vehicles in this generation included:
In 1994 The Lumina and Trans Sport received a facelift, which shortened the nose and gave them a more conventional look. The Silhouette however did not receive this update.
The Pontiac Trans Sport was sold in Europe as a rebadged Oldsmobile Silhouette with European safety specifications.
European customers had grown accustomed to sleek minivans, thanks to vehicles such as the Renault Espace, and did not object to the Trans Sport's futuristic styling. In 1994, when the Trans Sport was updated, the European version retained the original shape, with the Oldsmobile Silhouette being sold badged as a Pontiac Trans Sport.
In 1997 the second U-body (platform) minivans arrived, also known as the GMT200.The new minivans were of unibody steel construction and the styling was intentionally conventional to such an extent that contemporary reviewers remarked that without looking closely at the badging and grille treatments, these minivans could be mistaken for their primary competitors, the Dodge Caravan and Plymouth Voyager, which at the time commanded a 50% share of the minivan market. Production of this generation was performed at GM's Doraville, Georgia facility, and later at GM Shanghai.
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