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 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 198 more horse power than 1999 Opel Omega. (142 HP @ 5400 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 175 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, 2005 Audi S4 (410 Nm) has 200 more torque (in Nm) than 1999 Opel Omega. (210 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 2005 Audi S4 | 1999 Opel Omega | |
| Make | Audi | Opel |
| Model | S4 | Omega |
| Year Released | 2005 | 1999 |
| Engine Position | Front | Middle |
| Engine Size | 4161 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 | 6300 RPM | 5400 RPM |
| Torque | 410 Nm | 210 Nm |
| Engine Bore Size | 85 mm | 86 mm |
| Engine Stroke Size | 93 mm | 94.6 mm |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1665 kg |
| Vehicle Length | 4580 mm | 4900 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1510 mm |
| Wheelbase Size | 2660 mm | 2740 mm |
| Fuel Tank Capacity | 63 L | 75 L |
