2003 Opel Signum vs. 2011 Mercedes-Benz A
To start off, 2011 Mercedes-Benz A is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,171 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (152 HP @ 5600 RPM) has 18 more horse power than 2011 Mercedes-Benz A. (134 HP @ 5750 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 2011 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 295 kg more than 2011 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, 2003 Opel Signum (220 Nm @ 3800 RPM) has 35 more torque (in Nm) than 2011 Mercedes-Benz A. (185 Nm @ 3500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2011 Mercedes-Benz A. 2003 Opel Signum has automatic transmission and 2011 Mercedes-Benz A has manual transmission. 2011 Mercedes-Benz A will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Signum | 2011 Mercedes-Benz A | |
| Make | Opel | Mercedes-Benz |
| Model | Signum | A |
| Year Released | 2003 | 2011 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 2034 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 152 HP | 134 HP |
| Engine RPM | 5600 RPM | 5750 RPM |
| Torque | 220 Nm | 185 Nm |
| Torque RPM | 3800 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 83 mm |
| Engine Stroke Size | 94.6 mm | 94 mm |
| Engine Compression Ratio | 12.0:1 | 11.0:1 |
| Top Speed | 206 km/hour | 200 km/hour |
| Acceleration 0-100mph | 11 seconds | 10.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1565 kg | 1270 kg |
| Vehicle Length | 4640 mm | 3840 mm |
| Vehicle Width | 1800 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1600 mm |
| Wheelbase Size | 2840 mm | 2570 mm |
| Fuel Consumption Overall | 9.1 L/100km | 7.2 L/100km |
| Fuel Tank Capacity | 60 L | 54 L |
