2005 Opel Speedster vs. 2011 BMW 550
To start off, 2011 BMW 550 is newer by 6 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 4,400 cc (8 cylinders), 2011 BMW 550 is equipped with a bigger engine. In terms of performance, 2011 BMW 550 (400 HP @ 5500 RPM) has 203 more horse power than 2005 Opel Speedster. (197 HP @ 5500 RPM) In normal driving conditions, 2011 BMW 550 should accelerate faster than 2005 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 550 weights approximately 1045 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.
Because 2011 BMW 550 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Opel Speedster. In wet, icy, snow, or gravel driving conditions, 2011 BMW 550 will offer significantly more control. 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, 2011 BMW 550 (609 Nm @ 1750 RPM) has 358 more torque (in Nm) than 2005 Opel Speedster. (251 Nm @ 1950 RPM). This means 2011 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Speedster. 2011 BMW 550 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. 2011 BMW 550 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Speedster | 2011 BMW 550 | |
| Make | Opel | BMW |
| Model | Speedster | 550 |
| Year Released | 2005 | 2011 |
| Body Type | Convertible | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 1998 cc | 4400 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 400 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 251 Nm | 609 Nm |
| Torque RPM | 1950 RPM | 1750 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1005 kg | 2050 kg |
| Vehicle Length | 3790 mm | 4905 mm |
| Vehicle Width | 1710 mm | 1859 mm |
| Vehicle Height | 1120 mm | 1463 mm |
| Wheelbase Size | 2340 mm | 2969 mm |
| Fuel Tank Capacity | 36 L | 70 L |
