2005 BMW 730 vs. 2007 Hummer H3
To start off, 2007 Hummer H3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 730. In addition, the cost of maintenance, including insurance, on 2005 BMW 730 would be higher. At 3,699 cc (5 cylinders), 2007 Hummer H3 is equipped with a bigger engine. In terms of performance, 2007 Hummer H3 (242 HP @ 5600 RPM) has 17 more horse power than 2005 BMW 730. (225 HP @ 4000 RPM) In normal driving conditions, 2007 Hummer H3 should accelerate faster than 2005 BMW 730.
Because 2007 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 730. In wet, icy, snow, or gravel driving conditions, 2007 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, 2005 BMW 730 (500 Nm @ 2000 RPM) has 172 more torque (in Nm) than 2007 Hummer H3. (328 Nm @ 4600 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2007 Hummer H3. 2005 BMW 730 has automatic transmission and 2007 Hummer H3 has manual transmission. 2007 Hummer H3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 730 | 2007 Hummer H3 | |
| Make | BMW | Hummer |
| Model | 730 | H3 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 3699 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 225 HP | 242 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 500 Nm | 328 Nm |
| Torque RPM | 2000 RPM | 4600 RPM |
| Engine Bore Size | 84.1 mm | 95.5 mm |
| Engine Stroke Size | 90 mm | 101.6 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5050 mm | 4750 mm |
| Vehicle Width | 1910 mm | 2180 mm |
| Vehicle Height | 1500 mm | 1900 mm |
| Wheelbase Size | 2890 mm | 2850 mm |
