2009 Alpina Roadster vs. 2007 BMW Convertible
To start off, 2009 Alpina Roadster is newer by 2 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 (363 HP @ 6300 RPM) has 67 more horse power than 2009 Alpina Roadster. (296 HP @ 6300 RPM) In normal driving conditions, 2007 BMW Convertible should accelerate faster than 2009 Alpina Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 455 kg more than 2009 Alpina Roadster. 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 @ 3600 RPM) has 128 more torque (in Nm) than 2009 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 2009 Alpina Roadster.
Compare all specifications:
2009 Alpina Roadster | 2007 BMW Convertible | |
Make | Alpina | BMW |
Model | Roadster | Convertible |
Year Released | 2009 | 2007 |
Body Type | Convertible | Convertible |
Engine Position | Front | Front |
Engine Size | 3346 cc | 4799 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 296 HP | 363 HP |
Engine RPM | 6300 RPM | 6300 RPM |
Torque | 362 Nm | 490 Nm |
Torque RPM | 4800 RPM | 3600 RPM |
Engine Compression Ratio | 10.2:1 | 10.5:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Top Speed | 265 km/hour | 250 km/hour |
Acceleration 0-100mph | 5.3 seconds | 5.7 seconds |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1395 kg | 1850 kg |
Vehicle Length | 4100 mm | 4830 mm |
Vehicle Width | 1790 mm | 1380 mm |
Vehicle Height | 1300 mm | 1860 mm |
Wheelbase Size | 2500 mm | 2790 mm |
Fuel Tank Capacity | 55 L | 70 L |