2004 Opel Signum vs. 2003 Opel Omega
To start off, 2004 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Opel Omega. In addition, the cost of maintenance, including insurance, on 2003 Opel Omega would be higher. At 2,198 cc (4 cylinders), 2003 Opel Omega is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 31 more horse power than 2003 Opel Omega. (142 HP @ 5400 RPM). In normal driving conditions, 2004 Opel Signum should accelerate faster than 2003 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Omega weights approximately 105 kg more than 2004 Opel Signum.
Because 2003 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 2003 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 2004 Opel Signum, 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 56 more torque (in Nm) than 2003 Opel Omega. (209 Nm @ 4000 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Omega. 2003 Opel Omega has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Omega will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2003 Opel Omega | |
| Make | Opel | Opel |
| Model | Signum | Omega |
| Year Released | 2004 | 2003 |
| Engine Position | Front | Middle |
| Engine Size | 1995 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 142 HP |
| Engine RPM | 5500 RPM | 5400 RPM |
| Torque | 265 Nm | 209 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 86 mm | 94.6 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1665 kg |
| Vehicle Length | 4640 mm | 4900 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1510 mm |
| Wheelbase Size | 2840 mm | 2740 mm |
| Fuel Tank Capacity | 60 L | 75 L |
