DecodedCarsHummer H3
5 model years from 2006 to 2010, compared on size, efficiency, safety and reliability.
- Model years
- 2006–2010
- Class
- Sport Utility Vehicle - 4WD
- Latest engines
- 3.7L 5-cyl, 5.3L 8-cyl
- Best MPG
- 15–16 combined, by year
- Latest rating
- Not rated
- Recalls
- 2 campaigns, all years
- Most complaints
- 2006 (161)
The 2010 H3 in brief
The 2010 Hummer H3 is a SUV - offered with 2 engines (3.7L 5-cyl and 5.3L 8-cyl) and 4-wheel drive.
It measures about 182 inches long and 75 inches wide on a 112-inch wheelbase, with a curb weight of roughly 4,700 lb (4dr SUV 4WD /X).
EPA rates its most efficient version at 16 MPG combined (14 city / 18 highway), 13% worse than the 2010 SUV - average of 18.3 MPG, for an estimated $4,200 a year in fuel.
It has 2 recall campaigns on file and owners have filed 5 complaints with NHTSA since 2015, most often about the electrical system.
The Hummer H3 has 5 model years in our data, from 2006 to 2010.
Its most efficient year was 2010 at 16 MPG combined; across all years the best version ranged from 15 to 16 MPG.
Owners most often report problems with the electrical system (139), engine (81), visibility/wiper (66).
2010 has the most recalls (2); all years together count 2 campaigns and 449 owner complaints.
How the 2006 H3 compares
The 2006 Hummer H3 is a SUV - offered with a 3.5L 5-cyl engine and 4-wheel or all-wheel drive.
It measures about 182 inches long and 75 inches wide on a 112-inch wheelbase, with a curb weight of roughly 4,700 lb.
2010 H3 pros & cons
Full 2010 details →What's good
- Few owner complaints5 complaints filed with NHTSA versus about 51 for similar models.
Watch out for
- Below-average fuel economyBest version gets 16 MPG combined, 13% below the 2010 SUV - average of 18.3 MPG.
H3 changes by model year
Years without a measurable change are left out.
Show all 5 model years side by side
| Year | Latest engines | Best MPG / range | Length | Weight | Overall | Recalls | Complaints |
|---|---|---|---|---|---|---|---|
| 2010 | 3.7L 5-cyl, 5.3L 8-cyl | 16 MPG | 182.3 in | 4,700 lb | Not rated | 2 | 5 |
| 2009 | 3.7L 5-cyl, 5.3L 8-cyl | 16 MPG | 182.3 in | 4,700 lb | Not rated | 2 | 63 |
| 2008 | 3.7L 5-cyl, 5.3L 8-cyl | 15 MPG | 182.3 in | 4,700 lb | Not rated | 2 | 70 |
| 2007 | 3.7L 5-cyl | 15 MPG | 182.3 in | 4,700 lb | Not rated | 2 | 150 |
| 2006 | 3.5L 5-cyl | 16 MPG | 182.3 in | 4,700 lb | Not rated | 2 | 161 |
Alternatives to the 2010 H3
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2010 Toyota Land Cruiser | 15 MPG | Not rated | 6 |
| 2010 Toyota RAV4 | 24 MPG | Not rated | 14 |
| 2010 Toyota 4Runner | 20 MPG | Not rated | 12 |
| 2010 Toyota Highlander | 26 MPG | Not rated | 11 |
| 2010 Jeep Grand Cherokee | 18 MPG | Not rated | 4 |
| 2010 Hyundai Santa Fe | 23 MPG | Not rated | 2 |
Most common owner-reported problems
Sources: EPA, NHTSA, Transport Canada, Wikipedia, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Hummer. How we calculate this →