2004 Audi S4 vs. 2005 Vauxhall Omega
To start off, 2005 Vauxhall Omega is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi S4. In addition, the cost of maintenance, including insurance, on 2004 Audi S4 would be higher. At 4,162 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 197 more horse power than 2005 Vauxhall Omega. (142 HP @ 5400 RPM). In normal driving conditions, 2004 Audi S4 should accelerate faster than 2005 Vauxhall Omega. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 157 kg more than 2005 Vauxhall Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Vauxhall Omega. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi S4 (410 Nm @ 3500 RPM) has 201 more torque (in Nm) than 2005 Vauxhall Omega. (209 Nm @ 4000 RPM). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Vauxhall Omega. 2004 Audi S4 has automatic transmission and 2005 Vauxhall Omega has manual transmission. 2005 Vauxhall Omega will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi S4 | 2005 Vauxhall Omega | |
| Make | Audi | Vauxhall |
| Model | S4 | Omega |
| Year Released | 2004 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4162 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 142 HP |
| Engine RPM | 7000 RPM | 5400 RPM |
| Torque | 410 Nm | 209 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1765 kg | 1608 kg |
| Vehicle Length | 4590 mm | 4900 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2470 mm | 2740 mm |
