2009 Hummer H3 vs. 2003 Mazda 6
To start off, 2009 Hummer H3 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Mazda 6. In addition, the cost of maintenance, including insurance, on 2003 Mazda 6 would be higher. At 5,300 cc (8 cylinders), 2009 Hummer H3 is equipped with a bigger engine. In terms of performance, 2009 Hummer H3 (363 HP @ 5200 RPM) has 225 more horse power than 2003 Mazda 6. (138 HP @ 3500 RPM). In normal driving conditions, 2009 Hummer H3 should accelerate faster than 2003 Mazda 6.
Because 2009 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mazda 6. In wet, icy, snow, or gravel driving conditions, 2009 Hummer H3 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control.
Compare all specifications:
| 2009 Hummer H3 | 2003 Mazda 6 | |
| Make | Hummer | Mazda |
| Model | H3 | 6 |
| Year Released | 2009 | 2003 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5300 cc | 1999 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 363 HP | 138 HP |
| Engine RPM | 5200 RPM | 3500 RPM |
| Engine Compression Ratio | 9.9:1 | 18.0:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Width | 2000 mm | 1790 mm |
