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 1,998 cc (4 cylinders), 2006 Opel Astra is equipped with a bigger engine. In terms of performance, 2006 Opel Astra (198 HP @ 5400 RPM) has 73 more horse power than 2003 Opel Vectra. (125 HP @ 6000 RPM). In normal driving conditions, 2006 Opel Astra should accelerate faster than 2003 Opel Vectra.
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 (262 Nm @ 4200 RPM) has 92 more torque (in Nm) than 2003 Opel Vectra. (170 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 | 1998 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 198 HP | 125 HP |
| Engine RPM | 5400 RPM | 6000 RPM |
| Torque | 262 Nm | 170 Nm |
| Torque RPM | 4200 RPM | 3800 RPM |
| Engine Bore Size | 86 mm | 80.5 mm |
| Engine Stroke Size | 86 mm | 88.2 mm |
| Engine Compression Ratio | 8.8:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4520 mm | 4600 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1510 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2710 mm |
| Fuel Tank Capacity | 52 L | 61 L |
