New or Significantly Altered Models
- 2006 Hummer H3
- All-new mid-sized H3 is loosely based on the Colorado/Canyon truck platform. The same 3.5L inline 5-cylinder engine powers the H3. The H3 features an electronic locking differential for off-road use and Stabilitrak® stability control for on-road use. Transmission choices include a 5-speed manual and 4-speed automatic.