GMT360
GMT 360 is a former midsize truck platform developed and manufactured by General Motors. Sold between the 2002 and 2009 model years, GMT 360 and its variants were the third generation of mid-size SUVs produced by the company. Outside of the United States, it was sold alongside its GMT 330 predecessor until 2005.
GMT 360 | |
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![]() 2005 Isuzu Ascender | |
Overview | |
Manufacturer | General Motors |
Also called | GMT 305 GMT 368 GMT 370 |
Production | 2001-2009 |
Assembly | Moraine, Ohio (GMT 360)
Oklahoma City, Oklahoma (GMT 370) Lansing Craft Center (GMT368 SSR) |
Body and chassis | |
Class | Sport utility vehicle Pickup truck (SSR) |
Layout | Front Engine, RWD/AWD/4x4 |
Body style(s) |
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Vehicles |
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Powertrain | |
Engine(s) | |
Transmission(s) | 4L60-E/4L65-E 4 Speed Automatic |
Dimensions | |
Wheelbase |
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Chronology | |
Predecessor | GM GMT330 platform |
Successor | GM Theta platform (GMT360) GM Lambda platform (GMT370) |
The platform would go on to become one of the most rebadged General Motors product lines in modern history; sold by every GM division except Cadillac, eleven versions of the architecture was marketed under six marques. Chevrolet sold two SUVs and a pickup truck; GMC, three SUVs (one, with a retractable roof); Isuzu, two SUVs; following the closure of Oldsmobile, its SUV product line was revived by both Buick and Saab.
Following the cancellation of a planned SUV replacement (codenamed GMT 361), the platform was replaced by two CUV platforms. The short-wheelbase GMT360 was replaced by the Theta platform while the long-wheelbase GMT370 was replaced by the Lambda platform (also replacing the GM U platform minivans). Production ended in late December 2008.
Chassis overview
The first GM SUV platform not derived from pickup trucks, GMT360 retained body-on-frame construction with fully boxed hydroformed frame rails, A 113-inch wheelbase was used, with GMT 370 released as a long-wheelbase variant (using a 129-inch wheelbase). Rear-wheel drive was standard, with part-time four-wheel drive and all-wheel drive as options.
The platform used double wishbone independent suspension in front, with a 5-link solid rear axle; auto-leveling air suspension was offered as an option for some versions.
Originally developed for the Atlas series of inline engines, in 2003, a 5.3L V8 was introduced as an option, with a 6.0L V8 becoming an option in 2006. The 6.0L engine (RPO LS2) was used in the Trailblazer SS model and the Saab 9-7x Aero only, and was rated at 395 hp. All engines were coupled to the 4L60-E/4L65-E 4-speed automatic transmission. re
Applications
GMT 305
- 2004–2005 GMC Envoy XUV
GMT 360
- 2002–2009 Chevrolet TrailBlazer
- 2002–2009 GMC Envoy
- 2002–2004 Oldsmobile Bravada
- 2003–2008 Isuzu Ascender
- 2004–2007 Buick Rainier
- 2005–2009 Saab 9-7X
GMT 368
- 2003–2006 Chevrolet SSR
GMT 370
- 2002–2006 Chevrolet TrailBlazer EXT
- 2002–2006 GMC Envoy XL
- 2003–2007 Isuzu Ascender
Gallery
- Buick Rainier
- GMC Envoy XL
- Chevrolet TrailBlazer
- Chevrolet SSR
- 2006 Saab 9-7X
- Isuzu Ascender
- Oldsmobile Bravada