2004 BMW 645 vs. 2005 Nissan Armada
To start off, 2005 Nissan Armada is newer by 1 year(s). Which means there will be less support and parts availability for 2004 BMW 645. In addition, the cost of maintenance, including insurance, on 2004 BMW 645 would be higher. At 5,555 cc (8 cylinders), 2005 Nissan Armada is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 17 more horse power than 2005 Nissan Armada. (305 HP @ 3600 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2005 Nissan Armada. With that said, vehicle weight also plays an important factor in acceleration. 2005 Nissan Armada weights approximately 761 kg more than 2004 BMW 645.
Because 2005 Nissan Armada is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 645. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Nissan Armada (522 Nm) has 75 more torque (in Nm) than 2004 BMW 645. (447 Nm). This means 2005 Nissan Armada will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 645.
Compare all specifications:
| 2004 BMW 645 | 2005 Nissan Armada | |
| Make | BMW | Nissan |
| Model | 645 | Armada |
| Year Released | 2004 | 2005 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 5555 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 305 HP |
| Engine RPM | 7400 RPM | 3600 RPM |
| Torque | 447 Nm | 522 Nm |
| Engine Bore Size | 92 mm | 98 mm |
| Engine Stroke Size | 83 mm | 92 mm |
| Engine Compression Ratio | 10.5:1 | 9.8:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 8 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1715 kg | 2476 kg |
| Vehicle Length | 4840 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 |
