1986 Opel Omega vs. 2004 Rover 75
To start off, 2004 Rover 75 is newer by 18 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 2,496 cc (6 cylinders), 2004 Rover 75 is equipped with a bigger engine. In terms of performance, 2004 Rover 75 (175 HP @ 6250 RPM) has 53 more horse power than 1986 Opel Omega. (122 HP @ 5400 RPM) In normal driving conditions, 2004 Rover 75 should accelerate faster than 1986 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2004 Rover 75 weights approximately 250 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.
Because 1986 Opel Omega is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1986 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 2004 Rover 75, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 Rover 75 (240 Nm @ 4000 RPM) has 65 more torque (in Nm) than 1986 Opel Omega. (175 Nm @ 2600 RPM). This means 2004 Rover 75 will have an easier job in driving up hills or pulling heavy equipment than 1986 Opel Omega.
Compare all specifications:
| 1986 Opel Omega | 2004 Rover 75 | |
| Make | Opel | Rover |
| Model | Omega | 75 |
| Year Released | 1986 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1996 cc | 2496 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 122 HP | 175 HP |
| Engine RPM | 5400 RPM | 6250 RPM |
| Torque | 175 Nm | 240 Nm |
| Torque RPM | 2600 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 80 mm |
| Engine Stroke Size | 86 mm | 82.8 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Top Speed | 195 km/hour | 211 km/hour |
| Acceleration 0-100mph | 11.5 seconds | 9.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1525 kg |
| Vehicle Length | 4740 mm | 4800 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1440 mm |
| Wheelbase Size | 2740 mm | 2750 mm |
| Fuel Tank Capacity | 75 L | 65 L |
