2005 BMW 545 vs. 2009 BMW 650
To start off, 2009 BMW 650 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 545. In addition, the cost of maintenance, including insurance, on 2005 BMW 545 would be higher. At 4,797 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (362 HP @ 6300 RPM) has 34 more horse power than 2005 BMW 545. (328 HP @ 6100 RPM) In normal driving conditions, 2009 BMW 650 should accelerate faster than 2005 BMW 545. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 545 weights approximately 290 kg more than 2009 BMW 650.
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, 2009 BMW 650 (490 Nm @ 3400 RPM) has 40 more torque (in Nm) than 2005 BMW 545. (450 Nm @ 3600 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 545. 2009 BMW 650 has automatic transmission and 2005 BMW 545 has manual transmission. 2005 BMW 545 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 650 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 545 | 2009 BMW 650 | |
| Make | BMW | BMW |
| Model | 545 | 650 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4797 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 362 HP |
| Engine RPM | 6100 RPM | 6300 RPM |
| Torque | 450 Nm | 490 Nm |
| Torque RPM | 3600 RPM | 3400 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.8 seconds | 5.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1630 kg | 1340 kg |
| Vehicle Length | 4850 mm | 4830 mm |
| Vehicle Width | 1850 mm | 1380 mm |
| Vehicle Height | 1480 mm | 1860 mm |
| Wheelbase Size | 2890 mm | 2790 mm |
| Fuel Consumption Overall | 11.4 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
