1970 Alfa Romeo Junior vs. 1981 BMW 520
To start off, 1981 BMW 520 is newer by 11 year(s). Which means there will be less support and parts availability for 1970 Alfa Romeo Junior. In addition, the cost of maintenance, including insurance, on 1970 Alfa Romeo Junior would be higher. At 1,991 cc (6 cylinders), 1981 BMW 520 is equipped with a bigger engine. In terms of performance, 1981 BMW 520 (123 HP @ 5800 RPM) has 37 more horse power than 1970 Alfa Romeo Junior. (86 HP @ 6000 RPM) In normal driving conditions, 1981 BMW 520 should accelerate faster than 1970 Alfa Romeo Junior. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 520 weights approximately 250 kg more than 1970 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, 1981 BMW 520 (170 Nm @ 4000 RPM) has 55 more torque (in Nm) than 1970 Alfa Romeo Junior. (115 Nm @ 3200 RPM). This means 1981 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1970 Alfa Romeo Junior.
Compare all specifications:
| 1970 Alfa Romeo Junior | 1981 BMW 520 | |
| Make | Alfa Romeo | BMW |
| Model | Junior | 520 |
| Year Released | 1970 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1290 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 123 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 115 Nm | 170 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 74 mm | 80 mm |
| Engine Stroke Size | 75 mm | 66 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 970 kg | 1220 kg |
| Vehicle Length | 3910 mm | 4630 mm |
| Vehicle Width | 1560 mm | 1710 mm |
| Vehicle Height | 1290 mm | 1430 mm |
| Wheelbase Size | 2260 mm | 2630 mm |
