1979 Alfa Romeo Alfetta vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 27 year(s). Which means there will be less support and parts availability for 1979 Alfa Romeo Alfetta. In addition, the cost of maintenance, including insurance, on 1979 Alfa Romeo Alfetta would be higher. 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 248 more horse power than 1979 Alfa Romeo Alfetta. (80 HP @ 4300 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1979 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 560 kg more than 1979 Alfa Romeo Alfetta. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 288 more torque (in Nm) than 1979 Alfa Romeo Alfetta. (162 Nm @ 2300 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1979 Alfa Romeo Alfetta.
Compare all specifications:
| 1979 Alfa Romeo Alfetta | 2006 BMW 645 | |
| Make | Alfa Romeo | BMW |
| Model | Alfetta | 645 |
| Year Released | 1979 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 80 HP | 328 HP |
| Engine RPM | 4300 RPM | 6100 RPM |
| Torque | 162 Nm | 450 Nm |
| Torque RPM | 2300 RPM | 3600 RPM |
| Engine Bore Size | 88 mm | 92 mm |
| Engine Stroke Size | 82 mm | 83 mm |
| Top Speed | 155 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1810 kg |
| Vehicle Length | 4390 mm | 4830 mm |
| Vehicle Width | 1650 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1380 mm |
| Wheelbase Size | 2520 mm | 2790 mm |
| Fuel Tank Capacity | 49 L | 70 L |
