2009 Hummer H3 vs. 2003 Opel Vectra
To start off, 2009 Hummer H3 is newer by 6 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 3,653 cc (5 cylinders), 2009 Hummer H3 is equipped with a bigger engine. In terms of performance, 2009 Hummer H3 (243 HP @ 5600 RPM) has 143 more horse power than 2003 Opel Vectra. (100 HP @ 4300 RPM). In normal driving conditions, 2009 Hummer H3 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 741 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 2009 Hummer H3 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, 2009 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, 2009 Hummer H3 (328 Nm @ 4600 RPM) has 123 more torque (in Nm) than 2003 Opel Vectra. (205 Nm @ 1600 RPM). This means 2009 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2009 Hummer H3 has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Hummer H3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Hummer H3 | 2003 Opel Vectra | |
| Make | Hummer | Opel |
| Model | H3 | Vectra |
| Year Released | 2009 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3653 cc | 1994 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 243 HP | 100 HP |
| Engine RPM | 5600 RPM | 4300 RPM |
| Torque | 328 Nm | 205 Nm |
| Torque RPM | 4600 RPM | 1600 RPM |
| Engine Bore Size | 95.5 mm | 84 mm |
| Engine Stroke Size | 102 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2231 kg | 1490 kg |
| Vehicle Length | 4790 mm | 4830 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 2000 mm | 1510 mm |
