2003 Opel Speedster vs. 2004 Porsche 911
To start off, 2004 Porsche 911 is newer by 1 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 3,605 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (477 HP @ 8000 RPM) has 332 more horse power than 2003 Opel Speedster. (145 HP @ 6000 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2003 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2004 Porsche 911 weights approximately 504 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.
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, 2004 Porsche 911 (641 Nm) has 438 more torque (in Nm) than 2003 Opel Speedster. (203 Nm). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Speedster.
Compare all specifications:
| 2003 Opel Speedster | 2004 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Speedster | 911 |
| Year Released | 2003 | 2004 |
| Body Type | Convertible | Coupe |
| Engine Position | Middle | Rear |
| Engine Size | 2198 cc | 3605 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 145 HP | 477 HP |
| Engine RPM | 6000 RPM | 8000 RPM |
| Torque | 203 Nm | 641 Nm |
| Engine Bore Size | 86 mm | 100 mm |
| Engine Stroke Size | 94.6 mm | 76 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 876 kg | 1380 kg |
| Vehicle Length | 3790 mm | 4450 mm |
| Vehicle Width | 1710 mm | 1840 mm |
| Vehicle Height | 1120 mm | 1280 mm |
| Wheelbase Size | 2710 mm | 2360 mm |
| Fuel Consumption | 6.4 L/100km | 10.7 L/100km |
| Fuel Consumption City | 12.3 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 8.5 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 36 L | 64 L |
