2007 BMW Convertible vs. 2008 BMW 740
To start off, 2008 BMW 740 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 107 more horse power than 2008 BMW 740. (255 HP @ 4000 RPM). In normal driving conditions, 2007 BMW Convertible should accelerate faster than 2008 BMW 740. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 740 weights approximately 240 kg more than 2007 BMW Convertible.
Let's talk about torque, 2008 BMW 740 (600 Nm @ 1900 RPM) has 110 more torque (in Nm) than 2007 BMW Convertible. (490 Nm @ 3600 RPM). This means 2008 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Convertible.
Compare all specifications:
| 2007 BMW Convertible | 2008 BMW 740 | |
| Make | BMW | BMW |
| Model | Convertible | 740 |
| Year Released | 2007 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 3901 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 255 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 490 Nm | 600 Nm |
| Torque RPM | 3600 RPM | 1900 RPM |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.7 seconds | 7.4 seconds |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1850 kg | 2090 kg |
| Vehicle Length | 4830 mm | 5040 mm |
| Vehicle Width | 1380 mm | 1910 mm |
| Vehicle Height | 1860 mm | 1500 mm |
| Wheelbase Size | 2790 mm | 3000 mm |
| Fuel Tank Capacity | 70 L | 88 L |
