2005 Audi S4 vs. 1999 Opel Omega
To start off, 2005 Audi S4 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Opel Omega. In addition, the cost of maintenance, including insurance, on 1999 Opel Omega would be higher. At 5,663 cc (8 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 29 more horse power than 1999 Opel Omega. (311 HP @ 5600 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 85 kg more than 1999 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1999 Opel Omega (459 Nm) has 49 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 1999 Opel Omega | |
| Make | Audi | Opel |
| Model | S4 | Omega |
| Year Released | 2005 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5663 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 311 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 410 Nm | 459 Nm |
| Engine Bore Size | 85.1 mm | 99 mm |
| Engine Stroke Size | 93 mm | 92 mm |
| Vehicle Weight | 1735 kg | 1650 kg |
| Vehicle Length | 4550 mm | 4900 mm |
| Vehicle Width | 1770 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2740 mm |
