2007 Alpina B5 vs. 2005 Opel Speedster
To start off, 2007 Alpina B5 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Speedster. In addition, the cost of maintenance, including insurance, on 2005 Opel Speedster would be higher. At 4,398 cc (8 cylinders), 2007 Alpina B5 is equipped with a bigger engine. In terms of performance, 2007 Alpina B5 (493 HP @ 5500 RPM) has 296 more horse power than 2005 Opel Speedster. (197 HP @ 5500 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2005 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alpina B5 weights approximately 717 kg more than 2005 Opel Speedster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2007 Alpina B5 (700 Nm @ 4250 RPM) has 449 more torque (in Nm) than 2005 Opel Speedster. (251 Nm @ 1950 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Speedster. 2007 Alpina B5 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. 2007 Alpina B5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alpina B5 | 2005 Opel Speedster | |
| Make | Alpina | Opel |
| Model | B5 | Speedster |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4398 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 197 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 700 Nm | 251 Nm |
| Torque RPM | 4250 RPM | 1950 RPM |
| Engine Bore Size | 92 mm | 86 mm |
| Engine Stroke Size | 82.7 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 314 km/hour | 243 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 4.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1722 kg | 1005 kg |
| Vehicle Length | 4850 mm | 3790 mm |
| Vehicle Width | 1850 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1120 mm |
| Wheelbase Size | 2890 mm | 2340 mm |
| Fuel Consumption Overall | 12.3 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 70 L | 36 L |
