2009 BMW 320 vs. 2007 BMW Convertible
To start off, 2009 BMW 320 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 (362 HP @ 6300 RPM) has 187 more horse power than 2009 BMW 320. (175 HP @ 4000 RPM) In normal driving conditions, 2007 BMW Convertible should accelerate faster than 2009 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 325 kg more than 2009 BMW 320. 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 140 more torque (in Nm) than 2009 BMW 320. (350 Nm @ 1750 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 320.
Compare all specifications:
| 2009 BMW 320 | 2007 BMW Convertible | |
| Make | BMW | BMW |
| Model | 320 | Convertible |
| Year Released | 2009 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4799 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 362 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 350 Nm | 490 Nm |
| Torque RPM | 1750 RPM | 3400 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 5.6 seconds | 5.7 seconds |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1525 kg | 1850 kg |
| Vehicle Length | 4540 mm | 4830 mm |
| Vehicle Width | 2000 mm | 1380 mm |
| Vehicle Height | 1430 mm | 1860 mm |
| Wheelbase Size | 2770 mm | 2790 mm |
| Fuel Tank Capacity | 63 L | 70 L |
