2007 BMW Convertible vs. 2008 Mercedes-Benz B
To start off, 2008 Mercedes-Benz B is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW Convertible. In addition, the cost of maintenance, including insurance, on 2007 BMW Convertible would be higher. At 4,799 cc (8 cylinders), 2007 BMW Convertible is equipped with a bigger engine. In terms of performance, 2007 BMW Convertible (362 HP @ 6300 RPM) has 247 more horse power than 2008 Mercedes-Benz B. (115 HP @ 5500 RPM). In normal driving conditions, 2007 BMW Convertible should accelerate faster than 2008 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 540 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.
Let's talk about torque, 2007 BMW Convertible (490 Nm @ 3400 RPM) has 335 more torque (in Nm) than 2008 Mercedes-Benz B. (155 Nm @ 3500 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz B. 2007 BMW Convertible has automatic transmission and 2008 Mercedes-Benz B has manual transmission. 2008 Mercedes-Benz B will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW Convertible will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Convertible | 2008 Mercedes-Benz B | |
| Make | BMW | Mercedes-Benz |
| Model | Convertible | B |
| Year Released | 2007 | 2008 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1699 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 362 HP | 115 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 490 Nm | 155 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 5.7 seconds | 11.3 seconds |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1850 kg | 1310 kg |
| Vehicle Length | 4830 mm | 4280 mm |
| Vehicle Width | 1380 mm | 1780 mm |
| Vehicle Height | 1860 mm | 1610 mm |
| Wheelbase Size | 2790 mm | 2780 mm |
| Fuel Tank Capacity | 70 L | 54 L |
