2005 Opel Speedster vs. 2012 BMW 730
To start off, 2012 BMW 730 is newer by 7 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 2,993 cc (6 cylinders), 2012 BMW 730 is equipped with a bigger engine. In terms of performance, 2012 BMW 730 (244 HP @ 4000 RPM) has 47 more horse power than 2005 Opel Speedster. (197 HP @ 5500 RPM) In normal driving conditions, 2012 BMW 730 should accelerate faster than 2005 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 730 weights approximately 935 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, 2012 BMW 730 (540 Nm @ 4000 RPM) has 289 more torque (in Nm) than 2005 Opel Speedster. (251 Nm @ 1950 RPM). This means 2012 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Speedster. 2012 BMW 730 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. 2012 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Speedster | 2012 BMW 730 | |
| Make | Opel | BMW |
| Model | Speedster | 730 |
| Year Released | 2005 | 2012 |
| Body Type | Convertible | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 1998 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 244 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 251 Nm | 540 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 243 km/hour | 246 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 7.2 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1005 kg | 1940 kg |
| Vehicle Length | 3790 mm | 5072 mm |
| Vehicle Width | 1710 mm | 1902 mm |
| Vehicle Height | 1120 mm | 1479 mm |
| Wheelbase Size | 2340 mm | 3070 mm |
| Fuel Consumption Overall | 8.5 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 36 L | 82 L |
