2007 Opel Signum vs. 2004 Opel Zafira
To start off, 2007 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Opel Zafira. In addition, the cost of maintenance, including insurance, on 2004 Opel Zafira would be higher. At 1,995 cc (4 cylinders), 2004 Opel Zafira is equipped with a bigger engine. In terms of performance, 2004 Opel Zafira (197 HP @ 5600 RPM) has 49 more horse power than 2007 Opel Signum. (148 HP @ 4000 RPM) In normal driving conditions, 2004 Opel Zafira should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 73 kg more than 2004 Opel Zafira.
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 (315 Nm @ 2000 RPM) has 64 more torque (in Nm) than 2004 Opel Zafira. (251 Nm @ 1950 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Zafira.
Compare all specifications:
| 2007 Opel Signum | 2004 Opel Zafira | |
| Make | Opel | Opel |
| Model | Signum | Zafira |
| Year Released | 2007 | 2004 |
| Body Type | Hatchback | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1909 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 197 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 315 Nm | 251 Nm |
| Torque RPM | 2000 RPM | 1950 RPM |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 90.4 mm | 86 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 209 km/hour | 220 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1613 kg | 1540 kg |
| Vehicle Length | 4640 mm | 4320 mm |
| Vehicle Width | 1800 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1640 mm |
| Wheelbase Size | 2840 mm | 2530 mm |
| Fuel Consumption Overall | 6.1 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 60 L | 58 L |
