1999 Opel Omega vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Opel Omega. In addition, the cost of maintenance, including insurance, on 1999 Opel Omega would be higher. At 2,497 cc (6 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (130 HP @ 4500 RPM) has 8 more horse power than 2005 Opel Vectra. (122 HP @ 5600 RPM). In normal driving conditions, 1999 Opel Omega should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 505 kg more than 1999 Opel Omega.
Because 1999 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 1999 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 1999 Opel Omega (250 Nm @ 2200 RPM) has 80 more torque (in Nm) than 2005 Opel Vectra. (170 Nm @ 3800 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra. 1999 Opel Omega has automatic transmission and 2005 Opel Vectra has manual transmission. 2005 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Opel Omega will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Opel Omega | 2005 Opel Vectra | |
| Make | Opel | Opel |
| Model | Omega | Vectra |
| Year Released | 1999 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 130 HP | 122 HP |
| Engine RPM | 4500 RPM | 5600 RPM |
| Torque | 250 Nm | 170 Nm |
| Torque RPM | 2200 RPM | 3800 RPM |
| Engine Bore Size | 80 mm | 80.5 mm |
| Engine Stroke Size | 82.8 mm | 88.2 mm |
| Engine Compression Ratio | 22.5:1 | 10.5:1 |
| Top Speed | 195 km/hour | 208 km/hour |
| Acceleration 0-100mph | 12.5 seconds | 10.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 855 kg | 1360 kg |
| Vehicle Length | 4900 mm | 4500 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2640 mm | 2450 mm |
| Fuel Tank Capacity | 75 L | 60 L |
