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 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 160 more horse power than 1999 Opel Omega. (180 HP @ 6000 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 2 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 180 more torque (in Nm) than 1999 Opel Omega. (230 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 | 4163 cc | 2597 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 180 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 410 Nm | 230 Nm |
| Engine Bore Size | 85.1 mm | 83.2 mm |
| Engine Stroke Size | 93 mm | 79.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1735 kg | 1733 kg |
| Vehicle Length | 4550 mm | 4900 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1550 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Tank Capacity | 63 L | 75 L |
