2009 Mercedes-Benz A vs. 2007 Opel Signum
To start off, 2009 Mercedes-Benz A is newer by 2 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. In terms of performance, 2007 Opel Signum (153 HP @ 5600 RPM) has 45 more horse power than 2009 Mercedes-Benz A. (108 HP @ 4200 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 2009 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz A weights approximately 1295 kg more than 2007 Opel Signum.
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 (250 Nm @ 1600 RPM) has 30 more torque (in Nm) than 2007 Opel Signum. (220 Nm @ 3800 RPM). This means 2009 Mercedes-Benz A will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Signum.
Compare all specifications:
| 2009 Mercedes-Benz A | 2007 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | A | Signum |
| Year Released | 2009 | 2007 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 153 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 250 Nm | 220 Nm |
| Torque RPM | 1600 RPM | 3800 RPM |
| Engine Compression Ratio | 18.0:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 181 km/hour | 211 km/hour |
| Acceleration 0-100mph | 10.8 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 2830 kg | 1535 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 | 5.2 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
