2003 Opel Speedster vs. 2011 BMW 525
To start off, 2011 BMW 525 is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Opel Speedster. In addition, the cost of maintenance, including insurance, on 2003 Opel Speedster would be higher. At 1,995 cc (4 cylinders), 2011 BMW 525 is equipped with a bigger engine. In terms of performance, 2011 BMW 525 (217 HP @ 4400 RPM) has 20 more horse power than 2003 Opel Speedster. (197 HP @ 5500 RPM) In normal driving conditions, 2011 BMW 525 should accelerate faster than 2003 Opel Speedster.
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, 2011 BMW 525 (450 Nm @ 2500 RPM) has 200 more torque (in Nm) than 2003 Opel Speedster. (250 Nm @ 1950 RPM). This means 2011 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Speedster. 2011 BMW 525 has automatic transmission and 2003 Opel Speedster has manual transmission. 2003 Opel Speedster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Speedster | 2011 BMW 525 | |
| Make | Opel | BMW |
| Model | Speedster | 525 |
| Year Released | 2003 | 2011 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Middle | Front |
| Engine Size | 1993 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 217 HP |
| Engine RPM | 5500 RPM | 4400 RPM |
| Torque | 250 Nm | 450 Nm |
| Torque RPM | 1950 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 90 mm |
| Engine Stroke Size | 86 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 3790 mm | 4907 mm |
| Vehicle Width | 1710 mm | 1860 mm |
| Vehicle Height | 1120 mm | 1462 mm |
| Wheelbase Size | 2400 mm | 2968 mm |
| Fuel Tank Capacity | 36 L | 70 L |
