2003 Opel Vectra vs. 2005 Rover 45
To start off, 2005 Rover 45 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 24 more horse power than 2005 Rover 45. (99 HP @ 4000 RPM). In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2005 Rover 45. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 403 kg more than 2005 Rover 45. 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 40 more torque (in Nm) than 2005 Rover 45. (240 Nm @ 2000 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Rover 45. 2003 Opel Vectra has automatic transmission and 2005 Rover 45 has manual transmission. 2005 Rover 45 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 45 | |
| Make | Opel | Rover |
| Model | Vectra | 45 |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 99 HP |
| Engine RPM | 3250 RPM | 4000 RPM |
| Torque | 280 Nm | 240 Nm |
| Torque RPM | 1500 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 84.5 mm |
| Engine Stroke Size | 98 mm | 88.9 mm |
| Engine Compression Ratio | 18.5:1 | 19.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1633 kg | 1230 kg |
| Vehicle Length | 4830 mm | 4370 mm |
| Vehicle Width | 1800 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2610 mm | 2630 mm |
| Fuel Tank Capacity | 60 L | 55 L |
