2007 BMW 650 vs. 1999 Opel Speedster
To start off, 2007 BMW 650 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Opel Speedster. In addition, the cost of maintenance, including insurance, on 1999 Opel Speedster would be higher. At 4,797 cc (8 cylinders), 2007 BMW 650 is equipped with a bigger engine. In terms of performance, 2007 BMW 650 (360 HP @ 6300 RPM) has 213 more horse power than 1999 Opel Speedster. (147 HP @ 5800 RPM). In normal driving conditions, 2007 BMW 650 should accelerate faster than 1999 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 650 weights approximately 905 kg more than 1999 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 BMW 650 (488 Nm @ 3400 RPM) has 286 more torque (in Nm) than 1999 Opel Speedster. (202 Nm @ 4000 RPM). This means 2007 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Speedster.
Compare all specifications:
| 2007 BMW 650 | 1999 Opel Speedster | |
| Make | BMW | Opel |
| Model | 650 | Speedster |
| Year Released | 2007 | 1999 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4797 cc | 2199 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 147 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 488 Nm | 202 Nm |
| Torque RPM | 3400 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 88.3 mm | 94.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 220 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1850 kg | 945 kg |
| Vehicle Length | 4840 mm | 3790 mm |
| Vehicle Width | 1860 mm | 1710 mm |
| Vehicle Height | 1380 mm | 1120 mm |
| Wheelbase Size | 2790 mm | 2340 mm |
| Fuel Tank Capacity | 70 L | 52 L |
