2006 Rover 45 vs. 2012 Opel Astra
To start off, 2012 Opel Astra is newer by 6 year(s). Which means there will be less support and parts availability for 2006 Rover 45. In addition, the cost of maintenance, including insurance, on 2006 Rover 45 would be higher. At 1,998 cc (4 cylinders), 2012 Opel Astra is equipped with a bigger engine. In terms of performance, 2012 Opel Astra (239 HP @ 5600 RPM) has 124 more horse power than 2006 Rover 45. (115 HP @ 5500 RPM) In normal driving conditions, 2012 Opel Astra should accelerate faster than 2006 Rover 45. With that said, vehicle weight also plays an important factor in acceleration. 2012 Opel Astra weights approximately 157 kg more than 2006 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, 2012 Opel Astra (320 Nm @ 2400 RPM) has 160 more torque (in Nm) than 2006 Rover 45. (160 Nm @ 2750 RPM). This means 2012 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2006 Rover 45.
Compare all specifications:
| 2006 Rover 45 | 2012 Opel Astra | |
| Make | Rover | Opel |
| Model | 45 | Astra |
| Year Released | 2006 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 115 HP | 239 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 160 Nm | 320 Nm |
| Torque RPM | 2750 RPM | 2400 RPM |
| Engine Bore Size | 80 mm | 86 mm |
| Engine Stroke Size | 89.3 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 193 km/hour | 244 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 6.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1236 kg | 1393 kg |
| Vehicle Length | 4520 mm | 4300 mm |
| Vehicle Width | 1700 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1410 mm |
| Wheelbase Size | 2630 mm | 2620 mm |
| Fuel Consumption Overall | 7.1 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 55 L | 52 L |
