1972 Alfa Romeo Junior vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 34 year(s). Which means there will be less support and parts availability for 1972 Alfa Romeo Junior. In addition, the cost of maintenance, including insurance, on 1972 Alfa Romeo Junior 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 220 more horse power than 1972 Alfa Romeo Junior. (108 HP @ 6000 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1972 Alfa Romeo Junior. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 806 kg more than 1972 Alfa Romeo Junior. 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 310 more torque (in Nm) than 1972 Alfa Romeo Junior. (140 Nm @ 2800 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1972 Alfa Romeo Junior.
Compare all specifications:
| 1972 Alfa Romeo Junior | 2006 BMW 645 | |
| Make | Alfa Romeo | BMW |
| Model | Junior | 645 |
| Year Released | 1972 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 108 HP | 328 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 140 Nm | 450 Nm |
| Torque RPM | 2800 RPM | 3600 RPM |
| Engine Bore Size | 78 mm | 92 mm |
| Engine Stroke Size | 82 mm | 83 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1030 kg | 1836 kg |
| Vehicle Length | 3910 mm | 4830 mm |
| Vehicle Width | 1560 mm | 1860 mm |
| Vehicle Height | 1290 mm | 1380 mm |
| Wheelbase Size | 2260 mm | 2790 mm |
