2007 Opel Zafira 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 Zafira. In addition, the cost of maintenance, including insurance, on 2007 Opel Zafira would be higher. At 1,910 cc (4 cylinders), 2007 Opel Zafira is equipped with a bigger engine. In terms of performance, 2007 Opel Zafira (148 HP @ 4000 RPM) has 28 more horse power than 2008 Opel Signum. (120 HP @ 6000 RPM). In normal driving conditions, 2007 Opel Zafira should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Zafira weights approximately 133 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 Zafira (320 Nm @ 2000 RPM) has 153 more torque (in Nm) than 2008 Opel Signum. (167 Nm @ 3800 RPM). This means 2007 Opel Zafira will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum.
Compare all specifications:
| 2007 Opel Zafira | 2008 Opel Signum | |
| Make | Opel | Opel |
| Model | Zafira | Signum |
| Year Released | 2007 | 2008 |
| Body Type | Minivan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 120 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 320 Nm | 167 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Engine Bore Size | 82.1 mm | 80.5 mm |
| Engine Stroke Size | 90.4 mm | 88.2 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 10.4 seconds | 12.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1613 kg | 1480 kg |
| Vehicle Length | 4470 mm | 4640 mm |
| Vehicle Width | 1810 mm | 1800 mm |
| Vehicle Height | 1650 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2840 mm |
| Fuel Consumption Overall | 6.2 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 58 L | 60 L |
