2009 Alpina Roadster vs. 2007 Opel Astra
To start off, 2009 Alpina Roadster is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 3,346 cc (6 cylinders), 2009 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2009 Alpina Roadster (296 HP @ 6300 RPM) has 178 more horse power than 2007 Opel Astra. (118 HP @ 3500 RPM). In normal driving conditions, 2009 Alpina Roadster should accelerate faster than 2007 Opel Astra.
Because 2009 Alpina Roadster 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 2009 Alpina Roadster. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2009 Alpina Roadster (362 Nm @ 4800 RPM) has 82 more torque (in Nm) than 2007 Opel Astra. (280 Nm @ 2000 RPM). This means 2009 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra. 2007 Opel Astra has automatic transmission and 2009 Alpina Roadster has manual transmission. 2009 Alpina Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alpina Roadster | 2007 Opel Astra | |
| Make | Alpina | Opel |
| Model | Roadster | Astra |
| Year Released | 2009 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 1909 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 296 HP | 118 HP |
| Engine RPM | 6300 RPM | 3500 RPM |
| Torque | 362 Nm | 280 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Engine Bore Size | 87 mm | 82 mm |
| Engine Stroke Size | 93.8 mm | 90.4 mm |
| Engine Compression Ratio | 10.2:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 265 km/hour | 191 km/hour |
| Acceleration 0-100mph | 5.3 seconds | 10.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1395 kg | 1395 kg |
| Vehicle Length | 4100 mm | 4480 mm |
| Vehicle Width | 1790 mm | 2030 mm |
| Vehicle Height | 1300 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2620 mm |
| Fuel Consumption Overall | 10 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 55 L | 52 L |
