2003 BMW 545 vs. 2011 BMW 730
To start off, 2011 BMW 730 is newer by 8 year(s). Which means there will be less support and parts availability for 2003 BMW 545. In addition, the cost of maintenance, including insurance, on 2003 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 545 is equipped with a bigger engine. In terms of performance, 2003 BMW 545 (328 HP @ 6100 RPM) has 84 more horse power than 2011 BMW 730. (244 HP @ 4000 RPM). In normal driving conditions, 2003 BMW 545 should accelerate faster than 2011 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 730 weights approximately 270 kg more than 2003 BMW 545.
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, 2011 BMW 730 (540 Nm @ 4000 RPM) has 90 more torque (in Nm) than 2003 BMW 545. (450 Nm @ 3600 RPM). This means 2011 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 545. 2011 BMW 730 has automatic transmission and 2003 BMW 545 has manual transmission. 2003 BMW 545 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 545 | 2011 BMW 730 | |
| Make | BMW | BMW |
| Model | 545 | 730 |
| Year Released | 2003 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 244 HP |
| Engine RPM | 6100 RPM | 4000 RPM |
| Torque | 450 Nm | 540 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Top Speed | 250 km/hour | 246 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 7.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1705 kg | 1975 kg |
| Vehicle Length | 4850 mm | 5212 mm |
| Vehicle Width | 1850 mm | 1902 mm |
| Vehicle Height | 1470 mm | 1479 mm |
| Wheelbase Size | 2840 mm | 3210 mm |
| Fuel Consumption Highway | 7.9 L/100km | 5.6 L/100km |
| Fuel Consumption City | 16.3 L/100km | 9.1 L/100km |
| Fuel Consumption Overall | 10.9 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 70 L | 82 L |
