2003 Opel Signum vs. 2007 Peugeot 407
To start off, 2007 Peugeot 407 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 3,173 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (207 HP @ 6200 RPM) has 73 more horse power than 2007 Peugeot 407. (134 HP @ 4000 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 2007 Peugeot 407. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 33 kg more than 2007 Peugeot 407. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2007 Peugeot 407 (320 Nm @ 2000 RPM) has 20 more torque (in Nm) than 2003 Opel Signum. (300 Nm @ 4000 RPM). This means 2007 Peugeot 407 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2003 Opel Signum | 2007 Peugeot 407 | |
| Make | Opel | Peugeot |
| Model | Signum | 407 |
| Year Released | 2003 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3173 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 207 HP | 134 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 300 Nm | 320 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 87.5 mm | 85 mm |
| Engine Stroke Size | 88 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Top Speed | 235 km/hour | 208 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1613 kg | 1580 kg |
| Vehicle Length | 4640 mm | 4770 mm |
| Vehicle Width | 1800 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2840 mm | 2730 mm |
| Fuel Consumption Overall | 10.7 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 60 L | 66 L |
