2007 BMW 645 vs. 2008 BMW X3
To start off, 2008 BMW X3 is newer by 1 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 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 68 more horse power than 2008 BMW X3. (260 HP @ 6600 RPM). In normal driving conditions, 2007 BMW 645 should accelerate faster than 2008 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X3 weights approximately 3 kg more than 2007 BMW 645.
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, 2007 BMW 645 (450 Nm @ 3600 RPM) has 135 more torque (in Nm) than 2008 BMW X3. (315 Nm @ 2750 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X3. 2008 BMW X3 has automatic transmission and 2007 BMW 645 has manual transmission. 2007 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 BMW 645 | 2008 BMW X3 | |
Make | BMW | BMW |
Model | 645 | X3 |
Year Released | 2007 | 2008 |
Body Type | Convertible | SUV |
Engine Position | Front | Front |
Engine Size | 4398 cc | 2996 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 328 HP | 260 HP |
Engine RPM | 6100 RPM | 6600 RPM |
Torque | 450 Nm | 315 Nm |
Torque RPM | 3600 RPM | 2750 RPM |
Engine Bore Size | 92 mm | 85 mm |
Engine Stroke Size | 82.7 mm | 88 mm |
Engine Compression Ratio | 10.0:1 | 10.7:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Top Speed | 250 km/hour | 210 km/hour |
Acceleration 0-100mph | 6.1 seconds | 7.5 seconds |
Drive Type | Rear | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1815 kg | 1818 kg |
Vehicle Length | 4830 mm | 4570 mm |
Vehicle Width | 1860 mm | 1680 mm |
Vehicle Height | 1380 mm | 1860 mm |
Wheelbase Size | 2790 mm | 2800 mm |
Fuel Consumption Overall | 13 L/100km | 10.3 L/100km |
Fuel Tank Capacity | 70 L | 67 L |