2009 Mercedes-Benz A vs. 2004 Opel Signum
To start off, 2009 Mercedes-Benz A is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 1,991 cc (4 cylinders), 2009 Mercedes-Benz A is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (125 HP @ 5600 RPM) has 17 more horse power than 2009 Mercedes-Benz A. (108 HP @ 4200 RPM) In normal driving conditions, 2004 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 1450 kg more than 2004 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 80 more torque (in Nm) than 2004 Opel Signum. (170 Nm @ 3800 RPM). This means 2009 Mercedes-Benz A will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2009 Mercedes-Benz A | 2004 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | A | Signum |
| Year Released | 2009 | 2004 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 125 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 250 Nm | 170 Nm |
| Torque RPM | 1600 RPM | 3800 RPM |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 181 km/hour | 197 km/hour |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2830 kg | 1380 kg |
| Vehicle Length | 3840 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1600 mm | 1470 mm |
| Wheelbase Size | 2570 mm | 2700 mm |
| Fuel Consumption Overall | 5.2 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 60 L | 58 L |
