2004 Opel Omega vs. 2011 Citroen C4
To start off, 2011 Citroen C4 is newer by 7 year(s). Which means there will be less support and parts availability for 2004 Opel Omega. In addition, the cost of maintenance, including insurance, on 2004 Opel Omega would be higher. At 2,198 cc (4 cylinders), 2004 Opel Omega is equipped with a bigger engine. In terms of performance, 2004 Opel Omega (142 HP @ 5400 RPM) has 31 more horse power than 2011 Citroen C4. (111 HP @ 4000 RPM). In normal driving conditions, 2004 Opel Omega should accelerate faster than 2011 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Omega weights approximately 310 kg more than 2011 Citroen C4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 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 2004 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Citroen C4 (240 Nm @ 4000 RPM) has 31 more torque (in Nm) than 2004 Opel Omega. (209 Nm @ 4000 RPM). This means 2011 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Omega.
Compare all specifications:
| 2004 Opel Omega | 2011 Citroen C4 | |
| Make | Opel | Citroen |
| Model | Omega | C4 |
| Year Released | 2004 | 2011 |
| Engine Position | Middle | Front |
| Engine Size | 2198 cc | 1560 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 142 HP | 111 HP |
| Engine RPM | 5400 RPM | 4000 RPM |
| Torque | 209 Nm | 240 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 75 mm |
| Engine Stroke Size | 94.6 mm | 88.3 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1665 kg | 1355 kg |
| Vehicle Length | 4900 mm | 4270 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1510 mm | 1460 mm |
| Wheelbase Size | 2740 mm | 2610 mm |
| Fuel Tank Capacity | 75 L | 60 L |
