2008 Fiat Doblo vs. 2005 Opel Signum
To start off, 2008 Fiat Doblo is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Signum. In addition, the cost of maintenance, including insurance, on 2005 Opel Signum would be higher. At 2,171 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (124 HP @ 3250 RPM) has 60 more horse power than 2008 Fiat Doblo. (64 HP @ 5500 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 2008 Fiat Doblo. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 315 kg more than 2008 Fiat Doblo. 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, 2005 Opel Signum (280 Nm @ 1500 RPM) has 178 more torque (in Nm) than 2008 Fiat Doblo. (102 Nm @ 3500 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 Fiat Doblo.
Compare all specifications:
| 2008 Fiat Doblo | 2005 Opel Signum | |
| Make | Fiat | Opel |
| Model | Doblo | Signum |
| Year Released | 2008 | 2005 |
| Body Type | Panel Van | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1240 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 64 HP | 124 HP |
| Engine RPM | 5500 RPM | 3250 RPM |
| Torque | 102 Nm | 280 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Bore Size | 70.8 mm | 84 mm |
| Engine Stroke Size | 78.9 mm | 98 mm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 142 km/hour | 201 km/hour |
| Acceleration 0-100mph | 18.9 seconds | 11.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1295 kg | 1610 kg |
| Vehicle Length | 4170 mm | 4640 mm |
| Vehicle Width | 1720 mm | 1800 mm |
| Vehicle Height | 1820 mm | 1470 mm |
| Wheelbase Size | 2570 mm | 2710 mm |
| Fuel Consumption Overall | 7.7 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
