GMT 610 is a General Motors platform that underpins full-size utility vans, specifically the facelifted/updated Chevrolet Express and GMC Savana. The GMT 610 platform is a slight update to the original GMT 600 platform.
| Construction: | steel, body-on-frame |
| Wheel drive: | 2WD (rear) or 4WD |
| Engine placement: | front |
| Engine orientation: | longitudinal |
| Type: | steel body-on-frame |
| Size: | full-size |
| Supported vehicle type: | cargo van, passenger van |
| Layout: | front-engine, RWD or 4WD |
| Powerplant placement: | front, longitudinal |
| Successor: | none currently |
The GMT 600 platform supported a range of GM’s six-cylinder and six-cylinder gasoline and diesel engines, including:
- 2.8L Duramax I4 LWN turbo-diesel (2017-present)
- 4.3L Vortec 4300 LU3 V6 (2003–2014)
- 4.8L Vortec 4800 L20 Flex-fuel V8 (2500/3500, 2010–present)
- 5.3L Vortec 5300 LMF Flex-fuel V8 (2008–2014)
- 6.0L Vortec 6000 L96 Flex-fuel V8 (2010–present)
- 6.6L Duramax V8 LGH turbo-diesel V8 (2006–2016)
The GMT 600Â platform supported GM’s 4-, 6-, and 8-speed HydraMatic automatic transmissions, including:
- 4-speed automatic 4L60-E on 1500 model (2003–2014)
- 4-speed automatic 4L80-E on 2500 and 3500 models (2003-2009)
- 6 speed automatic 6L90-E on 2500 and 3500 model (2010-present)
- 8-speed on I4 Duramax (2017-present)
2014 Chevrolet Express
The GMT 610 platform debuted in updated/facelifted 2003 Chevrolet Express and GMC Savana.
Current
- 2003-present Chevrolet Express
- 2003-present GMC Savana
