2006 Opel Astra vs. 2003 Opel Vectra
To start off, 2006 Opel Astra is newer by 3 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 1,910 cc (4 cylinders), 2006 Opel Astra is equipped with a bigger engine. In terms of performance, 2006 Opel Astra (148 HP @ 4000 RPM) has 40 more horse power than 2003 Opel Vectra. (108 HP @ 5600 RPM). In normal driving conditions, 2006 Opel Astra should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 49 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Opel Astra (320 Nm @ 2000 RPM) has 156 more torque (in Nm) than 2003 Opel Vectra. (164 Nm @ 3800 RPM). This means 2006 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2006 Opel Astra | 2003 Opel Vectra | |
| Make | Opel | Opel |
| Model | Astra | Vectra |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 108 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 320 Nm | 164 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Engine Bore Size | 82 mm | 80.5 mm |
| Engine Stroke Size | 90.4 mm | 88.2 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1393 kg | 1344 kg |
| Vehicle Length | 4260 mm | 4600 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2620 mm | 2710 mm |
| Fuel Tank Capacity | 52 L | 60 L |
