2003 BMW 645 vs. 2006 BMW 545
To start off, 2006 BMW 545 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 545 (328 HP @ 6100 RPM) has 3 more horse power than 2003 BMW 645. (325 HP @ 6100 RPM) In normal driving conditions, 2006 BMW 545 should accelerate faster than 2003 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 545 weights approximately 145 kg more than 2003 BMW 645. 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, both vehicles can yield 450 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2006 BMW 545 has automatic transmission and 2003 BMW 645 has manual transmission. 2003 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 545 will be easier to drive especially in heavy traffic.
Compare all specifications:
2003 BMW 645 | 2006 BMW 545 | |
Make | BMW | BMW |
Model | 645 | 545 |
Year Released | 2003 | 2006 |
Body Type | Coupe | Sedan |
Engine Position | Front | Front |
Engine Size | 4398 cc | 4396 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 325 HP | 328 HP |
Engine RPM | 6100 RPM | 6100 RPM |
Torque | 450 Nm | 450 Nm |
Torque RPM | 3600 RPM | 3600 RPM |
Engine Bore Size | 92 mm | 92 mm |
Engine Stroke Size | 82.7 mm | 83 mm |
Engine Compression Ratio | 10.5:1 | 10.0:1 |
Top Speed | 250 km/hour | 250 km/hour |
Acceleration 0-100mph | 5.9 seconds | 5.9 seconds |
Drive Type | Rear | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1690 kg | 1835 kg |
Vehicle Length | 4830 mm | 4850 mm |
Vehicle Width | 1860 mm | 1850 mm |
Vehicle Height | 1380 mm | 1380 mm |
Wheelbase Size | 2890 mm | 2890 mm |
Fuel Consumption | 8.6 L/100km | 9.1 L/100km |
Fuel Consumption Overall | 11.7 L/100km | 10.6 L/100km |
Fuel Tank Capacity | 70 L | 70 L |