2001 Mercedes-Benz A vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Mercedes-Benz A. In addition, the cost of maintenance, including insurance, on 2001 Mercedes-Benz A would be higher. At 1,908 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (173 HP @ 5500 RPM) has 50 more horse power than 2001 Mercedes-Benz A. (123 HP @ 5000 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 2001 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 450 kg more than 2001 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, 2005 Opel Signum (265 Nm @ 2500 RPM) has 85 more torque (in Nm) than 2001 Mercedes-Benz A. (180 Nm @ 4000 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2001 Mercedes-Benz A.
Compare all specifications:
| 2001 Mercedes-Benz A | 2005 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | A | Signum |
| Year Released | 2001 | 2005 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1898 cc | 1908 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 173 HP |
| Engine RPM | 5000 RPM | 5500 RPM |
| Torque | 180 Nm | 265 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 85.6 mm | 86 mm |
| Engine Compression Ratio | 10.8:1 | 9.5:1 |
| Top Speed | 195 km/hour | 220 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1110 kg | 1560 kg |
| Vehicle Length | 3780 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1610 mm | 1470 mm |
| Wheelbase Size | 2720 mm | 2620 mm |
| Fuel Tank Capacity | 54 L | 60 L |
