2006 BMW 550 vs. 1991 BMW 730
To start off, 2006 BMW 550 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 BMW 730. In addition, the cost of maintenance, including insurance, on 1991 BMW 730 would be higher. At 4,799 cc (8 cylinders), 2006 BMW 550 is equipped with a bigger engine. In terms of performance, 2006 BMW 550 (360 HP @ 6300 RPM) has 175 more horse power than 1991 BMW 730. (185 HP @ 5800 RPM). In normal driving conditions, 2006 BMW 550 should accelerate faster than 1991 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 550 weights approximately 125 kg more than 1991 BMW 730. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 BMW 550 (488 Nm @ 3400 RPM) has 228 more torque (in Nm) than 1991 BMW 730. (260 Nm @ 4000 RPM). This means 2006 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 730.
Compare all specifications:
2006 BMW 550 | 1991 BMW 730 | |
Make | BMW | BMW |
Model | 550 | 730 |
Year Released | 2006 | 1991 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 4799 cc | 2986 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Horse Power | 360 HP | 185 HP |
Engine RPM | 6300 RPM | 5800 RPM |
Torque | 488 Nm | 260 Nm |
Torque RPM | 3400 RPM | 4000 RPM |
Engine Bore Size | 93.1 mm | 89 mm |
Engine Stroke Size | 88.4 mm | 80 mm |
Engine Compression Ratio | 10.5:1 | 9.0:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1725 kg | 1600 kg |
Vehicle Length | 4880 mm | 4920 mm |
Vehicle Width | 1850 mm | 1850 mm |
Vehicle Height | 1470 mm | 1420 mm |
Wheelbase Size | 2890 mm | 2840 mm |
Fuel Tank Capacity | 70 L | 90 L |