2004 Hummer H2 vs. 2003 Opel Vectra
To start off, 2004 Hummer H2 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 5,963 cc (8 cylinders), 2004 Hummer H2 is equipped with a bigger engine. In terms of performance, 2004 Hummer H2 (316 HP) has 196 more horse power than 2003 Opel Vectra. (120 HP). In normal driving conditions, 2004 Hummer H2 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Hummer H2 weights approximately 1433 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Hummer H2 (488 Nm) has 321 more torque (in Nm) than 2003 Opel Vectra. (167 Nm). This means 2004 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2004 Hummer H2 | 2003 Opel Vectra | |
| Make | Hummer | Opel |
| Model | H2 | Vectra |
| Year Released | 2004 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 5963 cc | 1794 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 316 HP | 120 HP |
| Torque | 488 Nm | 167 Nm |
| Engine Bore Size | 102 mm | 80.5 mm |
| Engine Stroke Size | 92 mm | 88.2 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2903 kg | 1470 kg |
| Vehicle Length | 4830 mm | 4830 mm |
| Vehicle Width | 2070 mm | 1800 mm |
| Vehicle Height | 2020 mm | 1510 mm |
