2006 Audi S4 vs. 2003 Opel Omega
To start off, 2006 Audi S4 is newer by 3 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 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (340 HP @ 7000 RPM) has 198 more horse power than 2003 Opel Omega. (142 HP @ 5400 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2003 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Omega weights approximately 135 kg more than 2006 Audi S4.
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, 2006 Audi S4, 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, 2006 Audi S4 (410 Nm @ 3500 RPM) has 201 more torque (in Nm) than 2003 Opel Omega. (209 Nm @ 4000 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Omega.
Compare all specifications:
| 2006 Audi S4 | 2003 Opel Omega | |
| Make | Audi | Opel |
| Model | S4 | Omega |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Middle |
| 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 | 5400 RPM |
| Torque | 410 Nm | 209 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84.6 mm | 86 mm |
| Engine Stroke Size | 93 mm | 94.6 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1530 kg | 1665 kg |
| Vehicle Length | 4590 mm | 4900 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1510 mm |
| Wheelbase Size | 2660 mm | 2740 mm |
| Fuel Tank Capacity | 63 L | 75 L |
