2008 Opel Signum vs. 2011 Mercedes-Benz B
To start off, 2011 Mercedes-Benz B is newer by 3 year(s). Which means there will be less support and parts availability for 2008 Opel Signum. In addition, the cost of maintenance, including insurance, on 2008 Opel Signum would be higher. At 2,197 cc (4 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (153 HP @ 5600 RPM) has 15 more horse power than 2011 Mercedes-Benz B. (138 HP @ 4200 RPM). In normal driving conditions, 2008 Opel Signum should accelerate faster than 2011 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 100 kg more than 2011 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, 2011 Mercedes-Benz B (300 Nm @ 1600 RPM) has 80 more torque (in Nm) than 2008 Opel Signum. (220 Nm @ 3800 RPM). This means 2011 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum.
Compare all specifications:
| 2008 Opel Signum | 2011 Mercedes-Benz B | |
| Make | Opel | Mercedes-Benz |
| Model | Signum | B |
| Year Released | 2008 | 2011 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2197 cc | 1990 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 138 HP |
| Engine RPM | 5600 RPM | 4200 RPM |
| Torque | 220 Nm | 300 Nm |
| Torque RPM | 3800 RPM | 1600 RPM |
| Engine Bore Size | 86 mm | 83 mm |
| Engine Stroke Size | 94.6 mm | 92 mm |
| Engine Compression Ratio | 12.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 211 km/hour | 200 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 9.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1535 kg | 1435 kg |
| Vehicle Length | 4640 mm | 4280 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1610 mm |
| Wheelbase Size | 2840 mm | 2780 mm |
| Fuel Consumption Overall | 8.1 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 60 L | 54 L |
