2007 Opel Signum vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Opel Signum. In addition, the cost of maintenance, including insurance, on 2007 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (175 HP @ 4000 RPM) has 22 more horse power than 2008 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 2007 Opel Signum should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 135 kg more than 2008 Opel Signum. 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 Opel Signum (370 Nm @ 1900 RPM) has 150 more torque (in Nm) than 2008 Opel Signum. (220 Nm @ 3800 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum.
Compare all specifications:
| 2007 Opel Signum | 2008 Opel Signum | |
| Make | Opel | Opel |
| Model | Signum | Signum |
| Year Released | 2007 | 2008 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 2197 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 153 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 370 Nm | 220 Nm |
| Torque RPM | 1900 RPM | 3800 RPM |
| Engine Bore Size | 87.5 mm | 86 mm |
| Engine Stroke Size | 82 mm | 94.6 mm |
| Engine Compression Ratio | 18.5:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 221 km/hour | 211 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1670 kg | 1535 kg |
| Vehicle Length | 4640 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2840 mm | 2840 mm |
| Fuel Consumption Overall | 7.4 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
