2005 Audi S4 vs. 1986 Opel Omega
To start off, 2005 Audi S4 is newer by 19 year(s). Which means there will be less support and parts availability for 1986 Opel Omega. In addition, the cost of maintenance, including insurance, on 1986 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 162 more horse power than 1986 Opel Omega. (178 HP @ 5600 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1986 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 365 kg more than 1986 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 170 more torque (in Nm) than 1986 Opel Omega. (240 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Opel Omega.
Compare all specifications:
| 2005 Audi S4 | 1986 Opel Omega | |
| Make | Audi | Opel |
| Model | S4 | Omega |
| Year Released | 2005 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2969 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 178 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 410 Nm | 240 Nm |
| Engine Bore Size | 85.1 mm | 95 mm |
| Engine Stroke Size | 93 mm | 69.8 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1735 kg | 1370 kg |
| Vehicle Length | 4550 mm | 4690 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2740 mm |
