2003 Opel Speedster vs. 2005 BMW 325
To start off, 2005 BMW 325 is newer by 2 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 2,494 cc (6 cylinders), 2005 BMW 325 is equipped with a bigger engine. In terms of performance, 2005 BMW 325 (184 HP @ 6000 RPM) has 39 more horse power than 2003 Opel Speedster. (145 HP @ 6000 RPM) In normal driving conditions, 2005 BMW 325 should accelerate faster than 2003 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 325 weights approximately 839 kg more than 2003 Opel Speedster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Speedster. In wet, icy, snow, or gravel driving conditions, 2005 BMW 325 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 BMW 325 (245 Nm @ 3500 RPM) has 42 more torque (in Nm) than 2003 Opel Speedster. (203 Nm @ 4000 RPM). This means 2005 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Speedster. 2005 BMW 325 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. 2005 BMW 325 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Speedster | 2005 BMW 325 | |
| Make | Opel | BMW |
| Model | Speedster | 325 |
| Year Released | 2003 | 2005 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Middle | Front |
| Engine Size | 2198 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 145 HP | 184 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 203 Nm | 245 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 84.1 mm |
| Engine Stroke Size | 94.6 mm | 75 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5.9 seconds | 7.7 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 876 kg | 1715 kg |
| Vehicle Length | 3790 mm | 4480 mm |
| Vehicle Width | 1710 mm | 1750 mm |
| Vehicle Height | 1120 mm | 1440 mm |
| Wheelbase Size | 2710 mm | 2730 mm |
| Fuel Consumption Overall | 8.5 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 36 L | 63 L |
