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 2,496 cc (6 cylinders), 2005 Rover 75 is equipped with a bigger engine. In terms of performance, 2005 Rover 75 (175 HP @ 6250 RPM) has 23 more horse power than 2003 Opel Vectra. (152 HP @ 5600 RPM) In normal driving conditions, 2005 Rover 75 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 49 kg more than 2005 Rover 75.
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, 2005 Rover 75 (240 Nm @ 4000 RPM) has 20 more torque (in Nm) than 2003 Opel Vectra. (220 Nm @ 3800 RPM). This means 2005 Rover 75 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 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 | 2198 cc | 2496 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 152 HP | 175 HP |
| Engine RPM | 5600 RPM | 6250 RPM |
| Torque | 220 Nm | 240 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 80 mm |
| Engine Stroke Size | 94.6 mm | 82.8 mm |
| Engine Compression Ratio | 12.0:1 | 10.5:1 |
| Top Speed | 208 km/hour | 220 km/hour |
| Acceleration 0-100mph | 11 seconds | 8.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1584 kg | 1535 kg |
| Vehicle Length | 4830 mm | 4750 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1510 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2750 mm |
| Fuel Consumption Overall | 8.8 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 60 L | 65 L |
