1999 Opel Omega vs. 2004 Rover 75
To start off, 2004 Rover 75 is newer by 5 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 4,601 cc (8 cylinders), 2004 Rover 75 is equipped with a bigger engine. In terms of performance, 2004 Rover 75 (256 HP @ 5000 RPM) has 126 more horse power than 1999 Opel Omega. (130 HP @ 4500 RPM) In normal driving conditions, 2004 Rover 75 should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2004 Rover 75 weights approximately 885 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 (410 Nm @ 4000 RPM) has 160 more torque (in Nm) than 1999 Opel Omega. (250 Nm @ 2200 RPM). This means 2004 Rover 75 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 1999 Opel Omega | 2004 Rover 75 | |
| Make | Opel | Rover |
| Model | Omega | 75 |
| Year Released | 1999 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4601 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 130 HP | 256 HP |
| Engine RPM | 4500 RPM | 5000 RPM |
| Torque | 250 Nm | 410 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 90.3 mm |
| Engine Stroke Size | 82.8 mm | 90 mm |
| Acceleration 0-100mph | 12.5 seconds | 7.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 855 kg | 1740 kg |
| Wheelbase Size | 2640 mm | 2630 mm |
