On November 6, 2009, Hummer announced updates to the 2010 Hummer H3 and H3T midsize all-terrain vehicles including the addition of three new exterior colors and an available E85 Flex Fuel capable 5.3L V8 engine as part of its commitment to offer a biofuel powertrain in all body styles by 2010. Both H3-based vehicles will begin arriving in dealerships before the end of 2009 in North America.
The new 5.3L V8 Flex Fuel engine is standard in all 2010 Alpha series' models and is a powerful and efficient member of GM's legendary small-block V-8 family. It is rated at 300 horsepower and 320 lb.-ft. of torque. An aluminum cylinder block is used with the H3 Alpha's engine. It helps reduce overall mass and maintains a more desirable front-to-rear weight balance.
A Hydra-Matic 4L60 electronically controlled four-speed automatic transmission is paired with the 5.3L engine. Flat towing is enabled on all H3 and H3T models.
Hummer also continues to expand customer choice with the introduction of three new premium colors for 2010, which include Red Rock Metallic, Silver Stone Metallic, and Canyon Metallic.
The H3 and H3T feature an extensive list of standard equipment, including full-time electronic four-wheel drive; Hill Start Assist; Stabilitrak electronic stability control system; four-wheel anti-lock brakes with traction control; roof-rail side curtain airbags and dual-stage frontal air bags with passenger sensing system; tire pressure monitoring system; OnStar; and hand-free Bluetooth.