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2007 Hummer H3 Specs - Exterior and Interior Dimensions
| Body | 4dr SUV |
| Wheelbase | 111.9 in |
| Length | 186.7 in |
| Width | 74.7 in |
| Height | 73.7 in |
| Curb Weight | 4700 lb. |
| Fuel Capacity | 23.0 gal. |
| Headroom, Row 1 | 40.6 in |
| Shoulder Room, Row 1 | 54.4 in |
| Hip Room, Row 1 | 53.9 in |
| Legroom, Row 1 | 41.9 in |
| Headroom, Row 2 | 39.9 in |
| Shoulder Room, Row 2 | 53.5 in |
| Hip Room, Row 2 | 53.5 in |
| Legroom, Row 2 | 35.0 in |
| Total Legroom | 76.9 in (over 2 rows) |
| Cargo Volume, Minimum | 29.5 ft3 |
| Cargo Volume, Maximum | 55.7 ft3 |
What Our Members Are Saying about the Seat Room and Comfort of the 2007 Hummer H3
| 2007 Hummer H3 Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2006 | 4dr SUV 220-horsepower 3.5L I5 4-speed automatic AWD w/low range |
The seat just fits me better than other vehicles. see full Hummer H3 review |
| 2006 | 4dr SUV 220-horsepower 3.5L I5 4-speed automatic AWD w/low range |
Very spacious see full Hummer H3 review |
| 2006 | 4dr SUV 220-horsepower 3.5L I5 4-speed automatic AWD w/low range |
Fits me perfectly, others that are a little taller I'm sure not so much, but I love the small but not too small size. see full Hummer H3 review |
| 2007 Hummer H3 Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2008 | 4dr SUV 242-horsepower 3.7L I5 4-speed automatic AWD w/low range |
Seat seems to narrrow and the edges of the cushions rise up to high. Seat causes me right hip pain. see full Hummer H3 review |
2007 Hummer H3 4-door SUV Specs - Powertrains and Tire Sizes
| Trim | Base |
| Standard Engine | 3.7L I5 DOHC-4v 242 hp@5600 242 lb-ft@4600 |
| Standard Transmission | 5-speed manual |
| Optional Transmission(s) | 4-speed automatic |
| Standard Drivetrain | AWD w/low range |
| Standard Tires | 265/75R16 tires |
| Optional Tires | 285/75R16 tires |
| 265/65R18 tires |
What Our Members Are Saying about the Powertrain of the 2007 Hummer H3
| 2007 Hummer H3 Powertrain: Pros | ||
| Year | Body/Powertrain | Comment |
| 2007 | 4dr SUV 242-horsepower 3.7L I5 4-speed automatic AWD w/low range |
For a five cylinder, it tows my 21ft Sea Ray perfectly. see full Hummer H3 review |
| 2006 | 4dr SUV 220-horsepower 3.5L I5 4-speed automatic AWD w/low range |
it will crawl up anything, go through anything, and get you back from anywhere. it has gone on 2 mile soft sand stretches completely stock. absolutely no engine or powertrain problems with over 27k miles see full Hummer H3 review |
| 2006 | 4dr SUV 220-horsepower 3.5L I5 4-speed automatic AWD w/low range |
The 5 cylinder engine, which has received negative comments has plenty of power to either run 90mph for hours down the hwy or pull itself up a steep and slippery hill with ease. With the adventure package, the low 4x4 gear is like a tractor - go anywhere! see full Hummer H3 review |
| 2006 | 4dr SUV 220-horsepower 3.5L I5 4-speed automatic AWD w/low range |
The H3 powertrain performance is matched to what I need nicely see full Hummer H3 review |
| 2007 Hummer H3 Powertrain: Cons | ||
| Year | Body/Powertrain | Comment |
| 2006 | 4dr SUV 220-horsepower 3.5L I5 4-speed automatic AWD w/low range |
Sooooooo slow! Imagine having a motor like a honda civic but in a tank. Fail see full Hummer H3 review |
What Our Members Are Saying about the Tires of the 2007 Hummer H3
None of our members have yet commented on the tires of the 2007 Hummer H3.
2007 Hummer H3 MSRP and Invoice Prices
| Body | Trim | Base Price | Invoice | Destination |
| 4dr SUV | Base | 29,405 | 27,053 | 590 |
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