1976 Alfa Romeo Navajo vs. 2005 BMW 645
To start off, 2005 BMW 645 is newer by 29 year(s). Which means there will be less support and parts availability for 1976 Alfa Romeo Navajo. In addition, the cost of maintenance, including insurance, on 1976 Alfa Romeo Navajo would be higher. At 4,390 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (338 HP @ 6100 RPM) has 110 more horse power than 1976 Alfa Romeo Navajo. (228 HP @ 8800 RPM) In normal driving conditions, 2005 BMW 645 should accelerate faster than 1976 Alfa Romeo Navajo. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 845 kg more than 1976 Alfa Romeo Navajo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 BMW 645 (439 Nm @ 3600 RPM) has 133 more torque (in Nm) than 1976 Alfa Romeo Navajo. (306 Nm @ 7000 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1976 Alfa Romeo Navajo.
Compare all specifications:
| 1976 Alfa Romeo Navajo | 2005 BMW 645 | |
| Make | Alfa Romeo | BMW |
| Model | Navajo | 645 |
| Year Released | 1976 | 2005 |
| Engine Position | Middle | Front |
| Engine Size | 1995 cc | 4390 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 338 HP |
| Engine RPM | 8800 RPM | 6100 RPM |
| Torque | 306 Nm | 439 Nm |
| Torque RPM | 7000 RPM | 3600 RPM |
| Engine Bore Size | 78 mm | 92 mm |
| Engine Stroke Size | 52.2 mm | 83 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 870 kg | 1715 kg |
| Vehicle Length | 3810 mm | 4830 mm |
| Vehicle Width | 1870 mm | 1860 mm |
| Vehicle Height | 1060 mm | 1380 mm |
| Wheelbase Size | 2440 mm | 2790 mm |
