2005 Opel Zafira vs. 2004 Opel Signum
To start off, 2005 Opel Zafira is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 1,995 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 50 more horse power than 2005 Opel Zafira. (123 HP @ 5600 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 2005 Opel Zafira. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 115 kg more than 2005 Opel Zafira. 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 95 more torque (in Nm) than 2005 Opel Zafira. (170 Nm @ 3800 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Zafira. 2005 Opel Zafira has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Zafira will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Zafira | 2004 Opel Signum | |
| Make | Opel | Opel |
| Model | Zafira | Signum |
| Year Released | 2005 | 2004 |
| Body Type | Minivan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 173 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 170 Nm | 265 Nm |
| Torque RPM | 3800 RPM | 2500 RPM |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Top Speed | 175 km/hour | 220 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1445 kg | 1560 kg |
| Vehicle Length | 4320 mm | 4640 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1640 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2840 mm |
| Fuel Tank Capacity | 58 L | 60 L |
