2003 BMW X3 vs. 2005 Opel Speedster
To start off, 2005 Opel Speedster is newer by 2 year(s). Which means there will be less support and parts availability for 2003 BMW X3. In addition, the cost of maintenance, including insurance, on 2003 BMW X3 would be higher. At 2,494 cc (6 cylinders), 2003 BMW X3 is equipped with a bigger engine. In terms of performance, 2005 Opel Speedster (197 HP @ 5500 RPM) has 8 more horse power than 2003 BMW X3. (189 HP @ 6000 RPM) In normal driving conditions, 2005 Opel Speedster should accelerate faster than 2003 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 810 kg more than 2005 Opel Speedster.
Because 2003 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Speedster. In wet, icy, snow, or gravel driving conditions, 2003 BMW X3 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, 2005 Opel Speedster (251 Nm @ 1950 RPM) has 6 more torque (in Nm) than 2003 BMW X3. (245 Nm @ 3500 RPM). This means 2005 Opel Speedster will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X3.
Compare all specifications:
| 2003 BMW X3 | 2005 Opel Speedster | |
| Make | BMW | Opel |
| Model | X3 | Speedster |
| Year Released | 2003 | 2005 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2494 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 197 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 245 Nm | 251 Nm |
| Torque RPM | 3500 RPM | 1950 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 75 mm | 86 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1815 kg | 1005 kg |
| Vehicle Length | 4570 mm | 3790 mm |
| Vehicle Width | 1860 mm | 1710 mm |
| Vehicle Height | 1680 mm | 1120 mm |
| Wheelbase Size | 2890 mm | 2340 mm |
| Fuel Tank Capacity | 67 L | 36 L |
