2007 BMW 523 vs. 2009 Hummer H2
To start off, 2009 Hummer H2 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 523. In addition, the cost of maintenance, including insurance, on 2007 BMW 523 would be higher. At 6,199 cc (8 cylinders), 2009 Hummer H2 is equipped with a bigger engine. In terms of performance, 2009 Hummer H2 (393 HP @ 5700 RPM) has 218 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2009 Hummer H2 should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H2 weights approximately 1413 kg more than 2007 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 523. In wet, icy, snow, or gravel driving conditions, 2009 Hummer H2 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, 2009 Hummer H2 (564 Nm @ 4300 RPM) has 334 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2009 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523. 2009 Hummer H2 has automatic transmission and 2007 BMW 523 has manual transmission. 2007 BMW 523 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Hummer H2 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 523 | 2009 Hummer H2 | |
| Make | BMW | Hummer |
| Model | 523 | H2 |
| Year Released | 2007 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 6199 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 175 HP | 393 HP |
| Engine RPM | 5800 RPM | 5700 RPM |
| Torque | 230 Nm | 564 Nm |
| Torque RPM | 3500 RPM | 4300 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1490 kg | 2903 kg |
| Vehicle Width | 1470 mm | 2070 mm |
| Vehicle Height | 1850 mm | 2020 mm |
| Wheelbase Size | 2890 mm | 3130 mm |
| Fuel Consumption Overall | 8.5 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 121 L |
