2005 BMW 740 vs. 2007 BMW 550
To start off, 2007 BMW 550 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 740. In addition, the cost of maintenance, including insurance, on 2005 BMW 740 would be higher. At 4,797 cc, 2007 BMW 550 is equipped with a bigger engine. In terms of performance, 2007 BMW 550 (657 HP @ 3400 RPM) has 402 more horse power than 2005 BMW 740. (255 HP @ 4000 RPM) In normal driving conditions, 2007 BMW 550 should accelerate faster than 2005 BMW 740. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 740 weights approximately 430 kg more than 2007 BMW 550.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2005 BMW 740 (600 Nm @ 1900 RPM) has 110 more torque (in Nm) than 2007 BMW 550. (490 Nm @ 3400 RPM). This means 2005 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 550.
Compare all specifications:
| 2005 BMW 740 | 2007 BMW 550 | |
| Make | BMW | BMW |
| Model | 740 | 550 |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3901 cc | 4797 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 657 HP |
| Engine RPM | 4000 RPM | 3400 RPM |
| Torque | 600 Nm | 490 Nm |
| Torque RPM | 1900 RPM | 3400 RPM |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 5.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2090 kg | 1660 kg |
| Vehicle Length | 5040 mm | 4850 mm |
| Vehicle Width | 1910 mm | 1470 mm |
| Vehicle Height | 1500 mm | 1850 mm |
| Wheelbase Size | 2890 mm | 2890 mm |
| Fuel Consumption Overall | 9.8 L/100km | 10.8 L/100km |
| Fuel Tank Capacity | 88 L | 70 L |
