2005 Opel Vectra vs. 2004 Porsche 911
To start off, 2005 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 3,589 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (340 HP @ 6000 RPM) has 132 more horse power than 2005 Opel Vectra. (208 HP @ 6200 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Porsche 911 weights approximately 142 kg more than 2005 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 Porsche 911 (370 Nm) has 70 more torque (in Nm) than 2005 Opel Vectra. (300 Nm). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2005 Opel Vectra | 2004 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Vectra | 911 |
| Year Released | 2005 | 2004 |
| Engine Position | Front | Rear |
| Engine Size | 3175 cc | 3589 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 208 HP | 340 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 300 Nm | 370 Nm |
| Engine Bore Size | 87.5 mm | 96 mm |
| Engine Stroke Size | 88 mm | 83 mm |
| Engine Compression Ratio | 10.0:1 | 11.3:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1200 kg | 1342 kg |
| Vehicle Length | 4600 mm | 4440 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2500 mm | 2360 mm |
| Fuel Consumption Overall | 9.8 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 61 L | 64 L |
