2007 BMW 645 vs. 2009 BMW 650

To start off, 2009 BMW 650 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 645. In addition, the cost of maintenance, including insurance, on 2007 BMW 645 would be higher. At 4,799 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 2007 BMW 645. (328 HP @ 6100 RPM) In normal driving conditions, 2009 BMW 650 should accelerate faster than 2007 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 650 weights approximately 245 kg more than 2007 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, 2009 BMW 650 (490 Nm @ 3400 RPM) has 40 more torque (in Nm) than 2007 BMW 645. (450 Nm @ 3600 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 645.

Compare all specifications:

2007 BMW 645 2009 BMW 650
Make BMW BMW
Model 645 650
Year Released 2007 2009
Body Type Coupe Convertible
Engine Position Front Front
Engine Size 4398 cc 4799 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 - Premium
Top Speed 245 km/hour 250 km/hour
Acceleration 0-100mph 5.6 seconds 5.8 seconds
Drive Type Rear Rear
Transmission Type Automatic Automatic
Number of Seats 4 seats 4 seats
Number of Doors 2 doors 2 doors
Vehicle Weight 1690 kg 1935 kg
Vehicle Length 4830 mm 4830 mm
Vehicle Width 1860 mm 1860 mm
Vehicle Height 1380 mm 1380 mm
Wheelbase Size 2790 mm 2790 mm
Fuel Consumption Overall 11.8 L/100km 12.6 L/100km
Fuel Tank Capacity 70 L 70 L


 

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