2008 Hummer H3 vs. 2003 Opel Vectra
To start off, 2008 Hummer H3 is newer by 5 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 5,328 cc (8 cylinders), 2008 Hummer H3 is equipped with a bigger engine. In terms of performance, 2008 Hummer H3 (300 HP @ 5200 RPM) has 91 more horse power than 2003 Opel Vectra. (209 HP @ 6200 RPM). In normal driving conditions, 2008 Hummer H3 should accelerate faster than 2003 Opel Vectra.
Because 2008 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, 2008 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, 2008 Hummer H3 (434 Nm @ 4000 RPM) has 134 more torque (in Nm) than 2003 Opel Vectra. (300 Nm @ 4000 RPM). This means 2008 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2008 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. 2008 Hummer H3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Hummer H3 | 2003 Opel Vectra | |
| Make | Hummer | Opel |
| Model | H3 | Vectra |
| Year Released | 2008 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 5328 cc | 3175 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 300 HP | 209 HP |
| Engine RPM | 5200 RPM | 6200 RPM |
| Torque | 434 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Compression Ratio | 9.9:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4750 mm | 4830 mm |
| Vehicle Width | 2180 mm | 1800 mm |
| Vehicle Height | 1900 mm | 1510 mm |
| Wheelbase Size | 2850 mm | 2840 mm |
| Fuel Tank Capacity | 87 L | 60 L |
