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 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP @ 5500 RPM) has 41 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. 2011 Mercedes-Benz A weights approximately 1257 kg more than 2003 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 185 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.
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 | 2958 cc | 2034 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 175 HP | 134 HP |
| Engine RPM | 5500 RPM | 5750 RPM |
| Torque | 370 Nm | 185 Nm |
| Torque RPM | 1900 RPM | 3500 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1575 kg | 2832 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 |
