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2008 HUMMER H3 SUV SUV - Overview

Research another H3 SUV:

$30,995 – $39,560 MSRP

$28,670 – $36,593 Invoice

13 / 16 MPG City/Hwy



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What Changed for 2008:

  • New Vortec 5.3-liter V-8 engine for H3 Alpha

  • New leather-appointed interior standard

  • Optional rear-vision camera system

  • New H3 Alpha and H3X models
The HUMMER midsize sport utility vehicle (SUV) family now has three versions: H3, H3 Alpha and H3X. This, the manufacturer says, provides something for everyone who's determined to drive a HUMMER (but not the biggest HUMMERs). The line now includes the powerful H3 Alpha with its all-new Vortec 5.3-liter V-8 engine. H3X, available with the H3 Alpha, is a citified version of the midsize off-road H3.

Model Lineup
The 2008 HUMMER H3 is available in three models: H3, H3 Alpha and H3X, all with full-time 4-wheel drive (4WD). H3 is the midsize HUMMER SUV that the manufacturer says was built with nimble quickness and style in mind. H3 Alpha is the H3 with more torque, towing capacity, and overall power. Trim levels include H3 Adventure, H3 Luxury and H3 Luxury with off-road suspension option, H3 Alpha, and H3X.

The H3 Adventure trim level includes a fully locking electronic rear differential; 4.03:1 2-speed transfer case; 33-inch LT285/75R16C on-/off-road tires; and an in-dash 6-disc CD changer with 7-speaker Monsoon sound system. H3 Luxury includes a leather-appointed interior; heated front seats with 8-way power adjustment (including lumbar); leather-wrapped steering wheel; 6-disc CD changer with premium 7-speaker Monsoon sound system; fabric cargo cover; and front and rear oversized carpeted floor mats. An off-road suspension system is an option for H3 Luxury trim.

H3 Alpha includes all the H3 Luxury trim features plus the Vortec 5.3-liter V-8 engine; heavy-duty 4-speed automatic transmission; 16-inch chrome wheels; chrome door handles and mirror caps; universal remote with lighted vanity mirror; and Alpha badge identification on the tailgate, headrests, and horn.

H3X has the Luxury trim features plus body-colored grille; square-cornered wraparound brush guard; 18-inch chrome wheels; P265/65R18 on-/off-road tires; body-color hard spare tire cover with chrome accent; chrome tubular assist steps; chrome fuel filler door and bright roof rack crossbars; embroidered H3 logo on headrests; and two unique colors: Carbon Flash Metallic and Sonoma Red Metallic.

Options include a sliding glass sunroof with express open/close; heavy-duty 4-speed automatic transmission (standard on H3 Alpha); chrome appearance package; in-dash, 6-disc CD changer with premium 7-speaker Monsoon sound system; navigation radio; rear vision camera system; power adjustable driver cloth seat; and off-road suspension package (with fully locking electronic rear differential); 4.03:1 2-speed transfer case; and 33-inch LT285/75R16C on-/off-road tires.

The 2008 HUMMER H3 features a Vortec 3700 3.7-liter 5-cylinder engine with multi-point fuel injection and cast aluminum block and cylinder head, delivering 242 hp at 5600 rpm and 242 lb.-ft. of torque at 4600 rpm. Transmission is the standard 5-speed manual or optional Hydra-Matic 4L60-E heavy-duty 4-speed automatic. The drivetrain is 2-speed, electronically controlled full-time 4WD. EPA fuel economy estimates for the manual transmission H3 are 13 mpg city/18 mpg highway, while the 4-speed automatic with 3.7-liter 5-cylinder engine is estimated at 14 mpg city/18 mpg highway.

H3 Alpha gets a new Vortec 5.3-liter V-8 engine with multi-point sequential fuel injection and cast aluminum block and cylinder heads. It delivers 300 hp at 5200 rpm and 320 lb.-ft. of torque at 4000 rpm, with power transferred through a heavy duty 4-speed automatic transmission. Drivetrain setup is 2-speed, electronically controlled full-time 4WD. EPA fuel economy estimates for the 4-speed automatic transmission with 5.3-liter V-8 engine are 13 mpg city/16 mpg highway.

The 2008 HUMMER H3 models all include: OnStar with a 1-year Safe and Sound plan; dual front air bags with passenger-sensing system; head curtain side air bags; remote keyless entry with panic button; TheftLock for the radio; content alarm theft-deterrent system; PASSLOCK theft-deterrent vehicle security system; stability enhancement system; traction control; battery rundown protection; rear door child security locks and LATCH child seat anchors; daytime running lamps; tire-pressure-monitoring system; and a HUMMER 100,000-mile/5-year transferrable powertrain warranty. In crash tests conducted by the National Highway Traffic Safety Administration (NHTSA), the 2008 HUMMER H3 received perfect 5-star ratings for front and side-impact crash tests for the driver and front- and rear-seat passengers, and a 4-star rating for passenger front-seat crash tests. In NHTSA rollover testing, the H3 earned 3 stars.

The 2008 HUMMER H3 offers an in-dash 6-disc CD changer with premium 7-speaker Monsoon sound system, and XM satellite radio (with a free 3-month subscription). An electrochromic rearview mirror with 8-point compass, outside temperature display, and OnStar controls rounds out the amenities package. The Driver Information Center has up to 22 alerts, and you can see sun or stars through the available sunroof with express open/express close. Universal remote, navigation radio and rear vision camera system complete the high-tech features.

Available Trims for the 2008 HUMMER H3 SUV

  Transmission MSRP Engine City/Hwy MPG
Base 5 speed manual $30,995 242-hp / 3.7L 5-cyl 13/18
H3X 5 speed manual $39,290 242-hp / 3.7L 5-cyl 13/18
Alpha 4 speed automatic $39,560 300-hp / 5.3L 8-cyl 13/16

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