2009 Mercedes-Benz A vs. 2006 Opel Signum
To start off, 2009 Mercedes-Benz A is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Opel Signum. In addition, the cost of maintenance, including insurance, on 2006 Opel Signum would be higher. At 2,034 cc (4 cylinders), 2009 Mercedes-Benz A is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz A (134 HP @ 5750 RPM) has 14 more horse power than 2006 Opel Signum. (120 HP @ 6000 RPM). In normal driving conditions, 2009 Mercedes-Benz A should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz A weights approximately 1350 kg more than 2006 Opel Signum. 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, 2009 Mercedes-Benz A (185 Nm @ 3500 RPM) has 17 more torque (in Nm) than 2006 Opel Signum. (168 Nm @ 3800 RPM). This means 2009 Mercedes-Benz A will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 2009 Mercedes-Benz A | 2006 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | A | Signum |
| Year Released | 2009 | 2006 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2034 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 134 HP | 120 HP |
| Engine RPM | 5750 RPM | 6000 RPM |
| Torque | 185 Nm | 168 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 83 mm | 80.5 mm |
| Engine Stroke Size | 94 mm | 88.2 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 200 km/hour | 197 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 12.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2830 kg | 1480 kg |
| Vehicle Length | 3840 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1600 mm | 1470 mm |
| Wheelbase Size | 2570 mm | 2840 mm |
| Fuel Consumption Overall | 7.2 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
