2004 Opel Astra vs. 2004 Rover 45
To start off, both 2004 Opel Astra and 2004 Rover 45 were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,998 cc (4 cylinders), 2004 Opel Astra is equipped with a bigger engine. In terms of performance, 2004 Opel Astra (123 HP @ 3250 RPM) has 23 more horse power than 2004 Rover 45. (100 HP @ 4200 RPM). In normal driving conditions, 2004 Opel Astra should accelerate faster than 2004 Rover 45. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Astra weights approximately 145 kg more than 2004 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, 2004 Opel Astra (281 Nm @ 1750 RPM) has 41 more torque (in Nm) than 2004 Rover 45. (240 Nm @ 2000 RPM). This means 2004 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 Rover 45.
Compare all specifications:
| 2004 Opel Astra | 2004 Rover 45 | |
| Make | Opel | Rover |
| Model | Astra | 45 |
| Year Released | 2004 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 123 HP | 100 HP |
| Engine RPM | 3250 RPM | 4200 RPM |
| Torque | 281 Nm | 240 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Bore Size | 82 mm | 84.5 mm |
| Engine Stroke Size | 90.4 mm | 88.9 mm |
| Top Speed | 190 km/hour | 185 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1305 kg |
| Vehicle Length | 4520 mm | 4370 mm |
| Vehicle Width | 1800 mm | 1700 mm |
| Vehicle Height | 1510 mm | 1400 mm |
| Wheelbase Size | 2710 mm | 2560 mm |
| Fuel Consumption Overall | 5.9 L/100km | 5.3 L/100km |
| Fuel Tank Capacity | 52 L | 55 L |
