2003 Opel Vectra vs. 2004 Rover 75
To start off, 2004 Rover 75 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 2,172 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (153 HP @ 5600 RPM) has 24 more horse power than 2004 Rover 75. (129 HP @ 4000 RPM). In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2004 Rover 75. With that said, vehicle weight also plays an important factor in acceleration. 2004 Rover 75 weights approximately 50 kg more than 2003 Opel Vectra.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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 (240 Nm @ 1900 RPM) has 11 more torque (in Nm) than 2003 Opel Vectra. (229 Nm @ 3800 RPM). This means 2004 Rover 75 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2003 Opel Vectra | 2004 Rover 75 | |
| Make | Opel | Rover |
| Model | Vectra | 75 |
| Year Released | 2003 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2172 cc | 1951 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 129 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 229 Nm | 240 Nm |
| Torque RPM | 3800 RPM | 1900 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 94.6 mm | 88 mm |
| Engine Compression Ratio | 9.5:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1510 kg | 1560 kg |
| Vehicle Length | 4830 mm | 4800 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1510 mm | 1440 mm |
