2003 Opel Vectra vs. 2005 Rover 75
To start off, 2005 Rover 75 is newer by 2 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 2,171 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (123 HP @ 3250 RPM) has 1 more horse power than 2005 Rover 75. (122 HP @ 5500 RPM). In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2005 Rover 75. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 158 kg more than 2005 Rover 75. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2003 Opel Vectra (280 Nm @ 1500 RPM) has 118 more torque (in Nm) than 2005 Rover 75. (162 Nm @ 4000 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Rover 75. 2003 Opel Vectra has automatic transmission and 2005 Rover 75 has manual transmission. 2005 Rover 75 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Vectra | 2005 Rover 75 | |
| Make | Opel | Rover |
| Model | Vectra | 75 |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1769 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 123 HP | 122 HP |
| Engine RPM | 3250 RPM | 5500 RPM |
| Torque | 280 Nm | 162 Nm |
| Torque RPM | 1500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 98 mm | 89.3 mm |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1633 kg | 1475 kg |
| Vehicle Length | 4830 mm | 4800 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2610 mm | 2830 mm |
