2006 BMW 645 vs. 2004 Nissan Armada
To start off, 2006 BMW 645 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Nissan Armada. In addition, the cost of maintenance, including insurance, on 2004 Nissan Armada would be higher. At 5,555 cc (8 cylinders), 2004 Nissan Armada is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 23 more horse power than 2004 Nissan Armada. (305 HP @ 3600 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2004 Nissan Armada. With that said, vehicle weight also plays an important factor in acceleration. 2004 Nissan Armada weights approximately 464 kg more than 2006 BMW 645.
Let's talk about torque, 2004 Nissan Armada (522 Nm) has 72 more torque (in Nm) than 2006 BMW 645. (450 Nm). This means 2004 Nissan Armada will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 645.
Compare all specifications:
| 2006 BMW 645 | 2004 Nissan Armada | |
| Make | BMW | Nissan |
| Model | 645 | Armada |
| Year Released | 2006 | 2004 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5555 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 305 HP |
| Engine RPM | 6100 RPM | 3600 RPM |
| Torque | 450 Nm | 522 Nm |
| Engine Compression Ratio | 10.0:1 | 9.8:1 |
| Number of Seats | 4 seats | 8 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1810 kg | 2274 kg |
| Vehicle Length | 4830 mm | 5260 mm |
| Vehicle Width | 1860 mm | 2010 mm |
| Vehicle Height | 1380 mm | 1980 mm |
| Wheelbase Size | 2790 mm | 3140 mm |
| Fuel Consumption Overall | 13.3 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 106 L |
