2005 Mercedes-Benz A vs. 2001 Opel Signum
To start off, 2005 Mercedes-Benz A is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Opel Signum. In addition, the cost of maintenance, including insurance, on 2001 Opel Signum would be higher. At 3,173 cc (6 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 Opel Signum (208 HP @ 6200 RPM) has 67 more horse power than 2005 Mercedes-Benz A. (141 HP @ 4200 RPM) In normal driving conditions, 2001 Opel Signum should accelerate faster than 2005 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 165 kg more than 2005 Mercedes-Benz A. 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, both vehicles can yield 300 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2005 Mercedes-Benz A | 2001 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | A | Signum |
| Year Released | 2005 | 2001 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 208 HP |
| Engine RPM | 4200 RPM | 6200 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 1600 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 87.5 mm |
| Engine Stroke Size | 92 mm | 88 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 201 km/hour | 237 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1445 kg | 1610 kg |
| Vehicle Length | 3840 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1600 mm | 1470 mm |
| Wheelbase Size | 2570 mm | 2640 mm |
| Fuel Consumption Overall | 5.4 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 54 L | 52 L |
