2008 Hummer H3 vs. 2005 Mazda 3
To start off, 2008 Hummer H3 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Mazda 3. In addition, the cost of maintenance, including insurance, on 2005 Mazda 3 would be higher. At 5,328 cc (8 cylinders), 2008 Hummer H3 is equipped with a bigger engine. In terms of performance, 2008 Hummer H3 (300 HP @ 5200 RPM) has 196 more horse power than 2005 Mazda 3. (104 HP @ 5500 RPM). In normal driving conditions, 2008 Hummer H3 should accelerate faster than 2005 Mazda 3.
Because 2008 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mazda 3. In wet, icy, snow, or gravel driving conditions, 2008 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. Let's talk about torque, 2008 Hummer H3 (434 Nm @ 4000 RPM) has 289 more torque (in Nm) than 2005 Mazda 3. (145 Nm @ 4000 RPM). This means 2008 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda 3. 2008 Hummer H3 has automatic transmission and 2005 Mazda 3 has manual transmission. 2005 Mazda 3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Hummer H3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Hummer H3 | 2005 Mazda 3 | |
| Make | Hummer | Mazda |
| Model | H3 | 3 |
| Year Released | 2008 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5328 cc | 1594 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 104 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 434 Nm | 145 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Compression Ratio | 9.9:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4750 mm | 4500 mm |
| Vehicle Width | 2180 mm | 1760 mm |
| Vehicle Height | 1900 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2650 mm |
| Fuel Tank Capacity | 87 L | 55 L |
