2008 Alfa Romeo 147 vs. 2007 Opel Signum
To start off, 2008 Alfa Romeo 147 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Opel Signum. In addition, the cost of maintenance, including insurance, on 2007 Opel Signum would be higher. At 2,196 cc (4 cylinders), 2007 Opel Signum is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 210 kg more than 2008 Alfa Romeo 147.
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 (220 Nm @ 3800 RPM) has 39 more torque (in Nm) than 2008 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo 147. 2008 Alfa Romeo 147 has automatic transmission and 2007 Opel Signum has manual transmission. 2007 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Alfa Romeo 147 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Alfa Romeo 147 | 2007 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 147 | Signum |
| Year Released | 2008 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 0 HP | 153 HP |
| Torque | 181 Nm | 220 Nm |
| Torque RPM | 3800 RPM | 3800 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91 mm | 94.6 mm |
| Engine Compression Ratio | 10.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 208 km/hour | 211 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1325 kg | 1535 kg |
| Vehicle Length | 4230 mm | 4640 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2840 mm |
| Fuel Consumption Overall | 8.9 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
