2006 BMW 645 vs. 2006 Nissan Xterra
To start off, both 2006 BMW 645 and 2006 Nissan Xterra were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 63 more horse power than 2006 Nissan Xterra. (265 HP @ 5600 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2006 Nissan Xterra. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 540 kg more than 2006 Nissan Xterra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Nissan Xterra is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2006 Nissan Xterra 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 65 more torque (in Nm) than 2006 Nissan Xterra. (385 Nm @ 4000 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2006 Nissan Xterra.
Compare all specifications:
| 2006 BMW 645 | 2006 Nissan Xterra | |
| Make | BMW | Nissan |
| Model | 645 | Xterra |
| Year Released | 2006 | 2006 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3950 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 328 HP | 265 HP |
| Engine RPM | 6100 RPM | 5600 RPM |
| Torque | 450 Nm | 385 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 98 mm |
| Engine Stroke Size | 83 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 9.7:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1836 kg | 1296 kg |
| Vehicle Length | 4830 mm | 4550 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1910 mm |
| Wheelbase Size | 2790 mm | 2710 mm |
| Fuel Consumption Overall | 12.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
