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 1,998 cc (4 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (145 HP @ 4000 RPM) has 11 more horse power than 1999 Opel Omega. (134 HP @ 5600 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 420 kg more than 2005 Opel Vectra.
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, 2005 Opel Vectra (316 Nm @ 2000 RPM) has 131 more torque (in Nm) than 1999 Opel Omega. (185 Nm @ 4000 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
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 | 1998 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 134 HP | 145 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 185 Nm | 316 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 86 mm | 82 mm |
| Engine Stroke Size | 86 mm | 90.4 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1630 kg | 1210 kg |
| Vehicle Length | 4900 mm | 4600 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1510 mm | 1470 mm |
| Wheelbase Size | 2740 mm | 2690 mm |
