2007 BMW 645 vs. 2012 BMW X3
To start off, 2012 BMW X3 is newer by 5 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 28 more horse power than 2012 BMW X3. (300 HP @ 5800 RPM). In normal driving conditions, 2007 BMW 645 should accelerate faster than 2012 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X3 weights approximately 225 kg more than 2007 BMW 645.
Because 2012 BMW X3 is all wheel drive (AWD), it will have significant more traction and grip than 2007 BMW 645. In wet, icy, snow, or gravel driving conditions, 2012 BMW X3 will offer significantly more control. 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 44 more torque (in Nm) than 2012 BMW X3. (406 Nm @ 1200 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2012 BMW X3. 2012 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. 2012 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 BMW 645 | 2012 BMW X3 | |
Make | BMW | BMW |
Model | 645 | X3 |
Year Released | 2007 | 2012 |
Body Type | Coupe | SUV |
Engine Position | Front | Front |
Engine Size | 4398 cc | 3000 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 328 HP | 300 HP |
Engine RPM | 6100 RPM | 5800 RPM |
Torque | 450 Nm | 406 Nm |
Torque RPM | 3600 RPM | 1200 RPM |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | AWD |
Transmission Type | Manual | 8-speed shiftable automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1690 kg | 1915 kg |
Vehicle Length | 4830 mm | 4648 mm |
Vehicle Width | 1860 mm | 1881 mm |
Vehicle Height | 1380 mm | 1675 mm |
Wheelbase Size | 2790 mm | 2810 mm |
Fuel Tank Capacity | 70 L | 67 L |