2005 Audi S4 vs. 1990 Opel Lotus Omega
To start off, 2005 Audi S4 is newer by 15 year(s). Which means there will be less support and parts availability for 1990 Opel Lotus Omega. In addition, the cost of maintenance, including insurance, on 1990 Opel Lotus Omega would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 1990 Opel Lotus Omega (377 HP @ 5200 RPM) has 37 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 1990 Opel Lotus Omega should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 177 kg more than 1990 Opel Lotus Omega.
Let's talk about torque, 1990 Opel Lotus Omega (568 Nm) has 158 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 1990 Opel Lotus Omega will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 1990 Opel Lotus Omega | |
| Make | Audi | Opel |
| Model | S4 | Lotus Omega |
| Year Released | 2005 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 3615 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 377 HP |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 410 Nm | 568 Nm |
| Engine Bore Size | 85 mm | 95 mm |
| Engine Stroke Size | 93 mm | 85 mm |
| Engine Compression Ratio | 11.0:1 | 8.2:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1663 kg |
| Vehicle Length | 4580 mm | 4690 mm |
| Vehicle Width | 1780 mm | 1940 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2740 mm |
| Fuel Consumption | 10.2 L/100km | 10.5 L/100km |
| Fuel Consumption City | 13.8 L/100km | 16.3 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 9 L/100km |
| Fuel Tank Capacity | 63 L | 75 L |
