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 1,979 cc (4 cylinders), 2004 Opel Astra is equipped with a bigger engine. In terms of performance, 2004 Opel Astra (168 HP @ 5200 RPM) has 53 more horse power than 2004 Rover 45. (115 HP @ 5500 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 270 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 (241 Nm @ 1950 RPM) has 81 more torque (in Nm) than 2004 Rover 45. (160 Nm @ 2750 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 | 1979 cc | 1793 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 115 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 241 Nm | 160 Nm |
| Torque RPM | 1950 RPM | 2750 RPM |
| Engine Bore Size | 86 mm | 80 mm |
| Engine Stroke Size | 86 mm | 89.3 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1425 kg | 1155 kg |
| Vehicle Length | 4520 mm | 4550 mm |
| Vehicle Width | 1800 mm | 1690 mm |
| Vehicle Height | 1510 mm | 1390 mm |
| Wheelbase Size | 2620 mm | 2630 mm |
| Fuel Tank Capacity | 52 L | 55 L |
