2006 Citroen C4 vs. 1999 Opel Omega
To start off, 2006 Citroen C4 is newer by 7 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 2,196 cc (4 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (142 HP @ 5400 RPM) has 52 more horse power than 2006 Citroen C4. (90 HP @ 1900 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 2006 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 358 kg more than 2006 Citroen C4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 Citroen C4, 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 (209 Nm @ 4000 RPM) has 4 more torque (in Nm) than 2006 Citroen C4. (205 Nm @ 1900 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 2006 Citroen C4.
Compare all specifications:
| 2006 Citroen C4 | 1999 Opel Omega | |
| Make | Citroen | Opel |
| Model | C4 | Omega |
| Year Released | 2006 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 2196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 90 HP | 142 HP |
| Engine RPM | 1900 RPM | 5400 RPM |
| Torque | 205 Nm | 209 Nm |
| Torque RPM | 1900 RPM | 4000 RPM |
| Engine Bore Size | 85 mm | 86 mm |
| Engine Stroke Size | 88 mm | 94.6 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 175 km/hour | 210 km/hour |
| Acceleration 0-100mph | 14.5 seconds | 10.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1375 kg | 1733 kg |
| Vehicle Length | 4280 mm | 4900 mm |
| Vehicle Width | 1760 mm | 1780 mm |
| Vehicle Height | 1640 mm | 1460 mm |
| Wheelbase Size | 2770 mm | 2850 mm |
| Fuel Consumption Overall | 5.5 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 55 L | 75 L |
