2005 BMW 645 vs. 2006 BMW M3
To start off, 2006 BMW M3 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 645. In addition, the cost of maintenance, including insurance, on 2005 BMW 645 would be higher. At 4,392 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW M3 (338 HP @ 7900 RPM) has 12 more horse power than 2005 BMW 645. (326 HP @ 6100 RPM) In normal driving conditions, 2006 BMW M3 should accelerate faster than 2005 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 240 kg more than 2006 BMW M3.
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 645 (447 Nm @ 3600 RPM) has 82 more torque (in Nm) than 2006 BMW M3. (365 Nm @ 4900 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW M3.
Compare all specifications:
2005 BMW 645 | 2006 BMW M3 | |
Make | BMW | BMW |
Model | 645 | M3 |
Year Released | 2005 | 2006 |
Body Type | Convertible | Convertible |
Engine Position | Front | Front |
Engine Size | 4392 cc | 3244 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 326 HP | 338 HP |
Engine RPM | 6100 RPM | 7900 RPM |
Torque | 447 Nm | 365 Nm |
Torque RPM | 3600 RPM | 4900 RPM |
Engine Bore Size | 92 mm | 87 mm |
Engine Stroke Size | 83 mm | 91 mm |
Engine Compression Ratio | 10.5:1 | 12.0:1 |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Top Speed | 250 km/hour | 250 km/hour |
Acceleration 0-100mph | 6.1 seconds | 5.5 seconds |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 4 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1895 kg | 1655 kg |
Vehicle Length | 4830 mm | 4500 mm |
Vehicle Width | 1860 mm | 1790 mm |
Vehicle Height | 1380 mm | 1380 mm |
Wheelbase Size | 2890 mm | 2740 mm |
Fuel Consumption Overall | 12.8 L/100km | 12.1 L/100km |
Fuel Tank Capacity | 70 L | 63 L |