2007 BMW 550 vs. 2005 BMW 748
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 748. In addition, the cost of maintenance, including insurance, on 2005 BMW 748 would be higher. At 4,799 cc (8 cylinders), 2005 BMW 748 is equipped with a bigger engine. In terms of performance, both vehicles can yield 362 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 748 weights approximately 250 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 748 (500 Nm @ 3400 RPM) has 9 more torque (in Nm) than 2007 BMW 550. (491 Nm @ 3400 RPM). This means 2005 BMW 748 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 550.
Compare all specifications:
| 2007 BMW 550 | 2005 BMW 748 | |
| Make | BMW | BMW |
| Model | 550 | 748 |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4799 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 362 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 491 Nm | 500 Nm |
| Torque RPM | 3400 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1660 kg | 1910 kg |
| Vehicle Length | 4850 mm | 5040 mm |
| Vehicle Width | 1490 mm | 1910 mm |
| Vehicle Height | 1850 mm | 1500 mm |
| Wheelbase Size | 2890 mm | 3000 mm |
