2005 BMW 645 vs. 2006 Nissan Armada
To start off, 2006 Nissan Armada is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 645. In addition, the cost of maintenance, including insurance, on 2005 BMW 645 would be higher. At 5,555 cc, 2006 Nissan Armada is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (338 HP @ 6100 RPM) has 33 more horse power than 2006 Nissan Armada. (305 HP @ 4900 RPM). In normal driving conditions, 2005 BMW 645 should accelerate faster than 2006 Nissan Armada. With that said, vehicle weight also plays an important factor in acceleration. 2006 Nissan Armada weights approximately 792 kg more than 2005 BMW 645.
Because 2006 Nissan Armada is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 645. In wet, icy, snow, or gravel driving conditions, 2006 Nissan Armada 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 Nissan Armada (522 Nm @ 3600 RPM) has 83 more torque (in Nm) than 2005 BMW 645. (439 Nm @ 3600 RPM). This means 2006 Nissan Armada will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 645.
Compare all specifications:
| 2005 BMW 645 | 2006 Nissan Armada | |
| Make | BMW | Nissan |
| Model | 645 | Armada |
| Year Released | 2005 | 2006 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4390 cc | 5555 cc |
| Horse Power | 338 HP | 305 HP |
| Engine RPM | 6100 RPM | 4900 RPM |
| Torque | 439 Nm | 522 Nm |
| Torque RPM | 3600 RPM | 3600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1715 kg | 2507 kg |
| Vehicle Length | 4830 mm | 5260 mm |
| Vehicle Width | 1860 mm | 2010 mm |
| Vehicle Height | 1380 mm | 2010 mm |
| Wheelbase Size | 2790 mm | 3140 mm |
| Fuel Consumption | 9.4 L/100km | 13.1 L/100km |
| Fuel Consumption City | 13.8 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 106 L |
