2008 Opel Signum vs. 2008 Opel Zafira
To start off, both 2008 Opel Signum and 2008 Opel Zafira were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,957 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (175 HP) has 27 more horse power than 2008 Opel Zafira. (148 HP). In normal driving conditions, 2008 Opel Signum should accelerate faster than 2008 Opel Zafira. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 170 kg more than 2008 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, 2008 Opel Signum (370 Nm @ 1900 RPM) has 155 more torque (in Nm) than 2008 Opel Zafira. (215 Nm @ 4000 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Zafira.
Compare all specifications:
| 2008 Opel Signum | 2008 Opel Zafira | |
| Make | Opel | Opel |
| Model | Signum | Zafira |
| Year Released | 2008 | 2008 |
| Body Type | Hatchback | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 148 HP |
| Torque | 370 Nm | 215 Nm |
| Torque RPM | 1900 RPM | 4000 RPM |
| Engine Bore Size | 87.5 mm | 86 mm |
| Engine Stroke Size | 82 mm | 94.6 mm |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 221 km/hour | 200 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 10 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1670 kg | 1500 kg |
| Vehicle Length | 4640 mm | 4320 mm |
| Vehicle Width | 1800 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1640 mm |
| Wheelbase Size | 2840 mm | 2700 mm |
| Fuel Consumption Overall | 7.4 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 60 L | 58 L |
