2005 Opel Signum vs. 2005 Porsche 911
To start off, both 2005 Opel Signum and 2005 Porsche 911 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,600 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (445 HP @ 5700 RPM) has 321 more horse power than 2005 Opel Signum. (124 HP @ 3250 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 20 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 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 Porsche 911 (620 Nm @ 3500 RPM) has 340 more torque (in Nm) than 2005 Opel Signum. (280 Nm @ 1500 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 2005 Opel Signum | 2005 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Signum | 911 |
| Year Released | 2005 | 2005 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2171 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 124 HP | 445 HP |
| Engine RPM | 3250 RPM | 5700 RPM |
| Torque | 280 Nm | 620 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 100 mm |
| Engine Stroke Size | 98 mm | 76.4 mm |
| Engine Compression Ratio | 18.5:1 | 9.4:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 201 km/hour | 307 km/hour |
| Acceleration 0-100mph | 11.2 seconds | 4.2 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1590 kg |
| Vehicle Length | 4640 mm | 4440 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2710 mm | 2360 mm |
| Fuel Consumption Overall | 6.3 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 60 L | 64 L |
