2003 Opel Vectra vs. 2002 Opel Omega
To start off, 2003 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Opel Omega. In addition, the cost of maintenance, including insurance, on 2002 Opel Omega would be higher. At 2,958 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (174 HP @ 4000 RPM) has 32 more horse power than 2002 Opel Omega. (142 HP @ 5400 RPM). In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2002 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 31 kg more than 2002 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 Opel Omega is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2002 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Vectra, being front wheel drive (FWD), will offer much better control with better grip. 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, 2003 Opel Vectra (370 Nm @ 1900 RPM) has 161 more torque (in Nm) than 2002 Opel Omega. (209 Nm @ 4000 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Omega.
Compare all specifications:
| 2003 Opel Vectra | 2002 Opel Omega | |
| Make | Opel | Opel |
| Model | Vectra | Omega |
| Year Released | 2003 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 2197 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 142 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 370 Nm | 209 Nm |
| Torque RPM | 1900 RPM | 4000 RPM |
| Engine Bore Size | 87.5 mm | 86 mm |
| Engine Stroke Size | 82 mm | 94.6 mm |
| Top Speed | 220 km/hour | 210 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 10.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1764 kg | 1733 kg |
| Vehicle Length | 4830 mm | 4900 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1510 mm | 1460 mm |
| Wheelbase Size | 2840 mm | 2850 mm |
| Fuel Consumption Overall | 7.7 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 60 L | 75 L |
