2007 Audi S4 vs. 2005 Opel Omega
To start off, 2007 Audi S4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Omega. In addition, the cost of maintenance, including insurance, on 2005 Opel Omega would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (340 HP @ 7000 RPM) has 198 more horse power than 2005 Opel Omega. (142 HP @ 4000 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2005 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 46 kg more than 2005 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S4 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, 2007 Audi S4 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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 207 more torque (in Nm) than 2005 Opel Omega. (203 Nm @ 4000 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Omega.
Compare all specifications:
| 2007 Audi S4 | 2005 Opel Omega | |
| Make | Audi | Opel |
| Model | S4 | Omega |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 142 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 410 Nm | 203 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 94.6 mm |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 10.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1660 kg | 1614 kg |
| Vehicle Length | 4590 mm | 4900 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2650 mm | 2720 mm |
| Fuel Consumption Overall | 13.3 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 63 L | 75 L |
