2004 Audi A4 vs. 2005 Opel Omega
To start off, 2005 Opel Omega is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 2,198 cc (4 cylinders), 2005 Opel Omega is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (160 HP @ 5700 RPM) has 14 more horse power than 2005 Opel Omega. (146 HP @ 4000 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 2005 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Omega weights approximately 129 kg more than 2004 Audi A4.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Omega. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 will offer significantly more control. 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 Audi A4 (225 Nm @ 1950 RPM) has 22 more torque (in Nm) than 2005 Opel Omega. (203 Nm @ 4000 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Omega. 2005 Opel Omega has automatic transmission and 2004 Audi A4 has manual transmission. 2004 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Omega will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A4 | 2005 Opel Omega | |
| Make | Audi | Opel |
| Model | A4 | Omega |
| Year Released | 2004 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 160 HP | 146 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 225 Nm | 203 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 94.6 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Top Speed | 226 km/hour | 210 km/hour |
| Acceleration 0-100mph | 8.7 seconds | 10.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1476 kg | 1605 kg |
| Vehicle Length | 4550 mm | 4900 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2470 mm | 2840 mm |
| Fuel Consumption Overall | 9.4 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 63 L | 75 L |
