2003 BMW 645 vs. 2005 Infiniti QX4
To start off, 2005 Infiniti QX4 is newer by 2 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, 2003 BMW 645 (310 HP @ 6000 RPM) has 72 more horse power than 2005 Infiniti QX4. (238 HP @ 6000 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2005 Infiniti QX4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti QX4 weights approximately 262 kg more than 2003 BMW 645.
Because 2005 Infiniti QX4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 645. In wet, icy, snow, or gravel driving conditions, 2005 Infiniti QX4 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 91 more torque (in Nm) than 2005 Infiniti QX4. (359 Nm @ 3200 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2005 Infiniti QX4.
Compare all specifications:
2003 BMW 645 | 2005 Infiniti QX4 | |
Make | BMW | Infiniti |
Model | 645 | QX4 |
Year Released | 2003 | 2005 |
Body Type | Coupe | SUV |
Engine Position | Front | Front |
Engine Size | 4398 cc | 3496 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 310 HP | 238 HP |
Engine RPM | 6000 RPM | 6000 RPM |
Torque | 450 Nm | 359 Nm |
Torque RPM | 3600 RPM | 3200 RPM |
Drive Type | Rear | 4WD |
Transmission Type | Automatic | Automatic |
Number of Seats | 4 seats | 4 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1698 kg | 1960 kg |
Vehicle Length | 4830 mm | 4660 mm |
Vehicle Width | 1860 mm | 1850 mm |
Vehicle Height | 1380 mm | 1800 mm |
Wheelbase Size | 2790 mm | 2710 mm |