2009 Alfa Romeo Spider vs. 2007 Mercedes-Benz B
To start off, 2009 Alfa Romeo Spider is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz B. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz B would be higher. At 3,195 cc (6 cylinders), 2009 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 2009 Alfa Romeo Spider (257 HP @ 6200 RPM) has 149 more horse power than 2007 Mercedes-Benz B. (108 HP @ 4200 RPM). In normal driving conditions, 2009 Alfa Romeo Spider should accelerate faster than 2007 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alfa Romeo Spider weights approximately 255 kg more than 2007 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, 2009 Alfa Romeo Spider (322 Nm @ 4500 RPM) has 71 more torque (in Nm) than 2007 Mercedes-Benz B. (251 Nm @ 1600 RPM). This means 2009 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz B.
Compare all specifications:
| 2009 Alfa Romeo Spider | 2007 Mercedes-Benz B | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | Spider | B |
| Year Released | 2009 | 2007 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3195 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 257 HP | 108 HP |
| Engine RPM | 6200 RPM | 4200 RPM |
| Torque | 322 Nm | 251 Nm |
| Torque RPM | 4500 RPM | 1600 RPM |
| Engine Bore Size | 89 mm | 83 mm |
| Engine Stroke Size | 85.6 mm | 92 mm |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 235 km/hour | 183 km/hour |
| Acceleration 0-100mph | 7 seconds | 11.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1690 kg | 1435 kg |
| Vehicle Length | 4400 mm | 4280 mm |
| Vehicle Width | 1840 mm | 1780 mm |
| Vehicle Height | 1320 mm | 1610 mm |
| Wheelbase Size | 2530 mm | 2780 mm |
| Fuel Consumption Overall | 11.5 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
