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 206 more horse power than 1999 Opel Omega. (134 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 270 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 225 more torque (in Nm) than 1999 Opel Omega. (185 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 | Front |
| Engine Size | 4161 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 134 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 410 Nm | 185 Nm |
| Engine Bore Size | 85 mm | 86.1 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1840 kg | 1570 kg |
| Vehicle Length | 4580 mm | 4900 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2740 mm |
