2008 Mercedes-Benz B vs. 2003 Opel Signum
To start off, 2008 Mercedes-Benz B is newer by 5 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 1,910 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (173 HP @ 5600 RPM) has 58 more horse power than 2008 Mercedes-Benz B. (115 HP @ 5500 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 2008 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 185 kg more than 2008 Mercedes-Benz B. 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 (280 Nm @ 2500 RPM) has 125 more torque (in Nm) than 2008 Mercedes-Benz B. (155 Nm @ 3500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz B.
Compare all specifications:
| 2008 Mercedes-Benz B | 2003 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | B | Signum |
| Year Released | 2008 | 2003 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1699 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 115 HP | 173 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 155 Nm | 280 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 78.5 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 184 km/hour | 220 km/hour |
| Acceleration 0-100mph | 11.3 seconds | 9.7 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1310 kg | 1495 kg |
| Vehicle Length | 4280 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1610 mm | 1470 mm |
| Wheelbase Size | 2780 mm | 2720 mm |
| Fuel Consumption Overall | 6.8 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 54 L | 58 L |
