2004 Opel Astra vs. 2005 Opel Speedster
To start off, 2005 Opel Speedster is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. At 1,998 cc (4 cylinders), 2005 Opel Speedster is equipped with a bigger engine. In terms of performance, 2005 Opel Speedster (197 HP @ 5500 RPM) has 112 more horse power than 2004 Opel Astra. (85 HP @ 5400 RPM) In normal driving conditions, 2005 Opel Speedster should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Astra weights approximately 310 kg more than 2005 Opel Speedster.
Because 2005 Opel Speedster is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Opel Speedster. However, in wet, icy, snow, or gravel driving conditions, 2004 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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 Opel Speedster (251 Nm @ 1950 RPM) has 112 more torque (in Nm) than 2004 Opel Astra. (139 Nm @ 2600 RPM). This means 2005 Opel Speedster will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra. 2004 Opel Astra has automatic transmission and 2005 Opel Speedster has manual transmission. 2005 Opel Speedster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Astra | 2005 Opel Speedster | |
| Make | Opel | Opel |
| Model | Astra | Speedster |
| Year Released | 2004 | 2005 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 1598 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 197 HP |
| Engine RPM | 5400 RPM | 5500 RPM |
| Torque | 139 Nm | 251 Nm |
| Torque RPM | 2600 RPM | 1950 RPM |
| Engine Bore Size | 79 mm | 86 mm |
| Engine Stroke Size | 81.5 mm | 86 mm |
| Top Speed | 157 km/hour | 243 km/hour |
| Acceleration 0-100mph | 15 seconds | 4.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1315 kg | 1005 kg |
| Vehicle Length | 4290 mm | 3790 mm |
| Vehicle Width | 1720 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1120 mm |
| Wheelbase Size | 2610 mm | 2340 mm |
| Fuel Tank Capacity | 52 L | 36 L |
