2001 Daihatsu Sirion vs. 2006 Hummer H2
To start off, 2006 Hummer H2 is newer by 5 year(s). Which means there will be less support and parts availability for 2001 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2001 Daihatsu Sirion would be higher. At 5,967 cc (8 cylinders), 2006 Hummer H2 is equipped with a bigger engine. In terms of performance, 2006 Hummer H2 (325 HP @ 5200 RPM) has 225 more horse power than 2001 Daihatsu Sirion. (100 HP @ 7000 RPM) In normal driving conditions, 2006 Hummer H2 should accelerate faster than 2001 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2006 Hummer H2 weights approximately 2033 kg more than 2001 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2001 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Hummer H2 (495 Nm @ 4000 RPM) has 374 more torque (in Nm) than 2001 Daihatsu Sirion. (121 Nm @ 4400 RPM). This means 2006 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2001 Daihatsu Sirion.
Compare all specifications:
| 2001 Daihatsu Sirion | 2006 Hummer H2 | |
| Make | Daihatsu | Hummer |
| Model | Sirion | H2 |
| Year Released | 2001 | 2006 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 5967 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 100 HP | 325 HP |
| Engine RPM | 7000 RPM | 5200 RPM |
| Torque | 121 Nm | 495 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Engine Bore Size | 72 mm | 101.6 mm |
| Engine Stroke Size | 79.7 mm | 91.9 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 870 kg | 2903 kg |
| Vehicle Length | 3680 mm | 4830 mm |
| Vehicle Width | 1600 mm | 2070 mm |
| Vehicle Height | 1460 mm | 2000 mm |
| Wheelbase Size | 2380 mm | 3130 mm |
| Fuel Tank Capacity | 40 L | 121 L |
