2001 Mercedes-Benz A vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 3 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 1,796 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (125 HP @ 5600 RPM) has 37 more horse power than 2001 Mercedes-Benz A. (88 HP @ 4200 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 2001 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 265 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, 2001 Mercedes-Benz A (180 Nm @ 1600 RPM) has 10 more torque (in Nm) than 2004 Opel Signum. (170 Nm @ 3800 RPM). This means 2001 Mercedes-Benz A will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2001 Mercedes-Benz A | 2004 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | A | Signum |
| Year Released | 2001 | 2004 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1689 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 88 HP | 125 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 180 Nm | 170 Nm |
| Torque RPM | 1600 RPM | 3800 RPM |
| Engine Bore Size | 80 mm | 80.5 mm |
| Engine Stroke Size | 84 mm | 88.2 mm |
| Engine Compression Ratio | 19.0:1 | 10.5:1 |
| Top Speed | 180 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 | 1115 kg | 1380 kg |
| Vehicle Length | 3790 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1590 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2700 mm |
| Fuel Tank Capacity | 54 L | 58 L |
