1977 Alfa Romeo Spider vs. 1972 BMW 520
To start off, 1977 Alfa Romeo Spider is newer by 5 year(s). Which means there will be less support and parts availability for 1972 BMW 520. In addition, the cost of maintenance, including insurance, on 1972 BMW 520 would be higher. At 1,991 cc (6 cylinders), 1972 BMW 520 is equipped with a bigger engine. In terms of performance, 1972 BMW 520 (150 HP @ 5900 RPM) has 61 more horse power than 1977 Alfa Romeo Spider. (89 HP @ 6000 RPM) In normal driving conditions, 1972 BMW 520 should accelerate faster than 1977 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1972 BMW 520 weights approximately 465 kg more than 1977 Alfa Romeo Spider. 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, 1972 BMW 520 (190 Nm) has 69 more torque (in Nm) than 1977 Alfa Romeo Spider. (121 Nm). This means 1972 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1977 Alfa Romeo Spider.
Compare all specifications:
| 1977 Alfa Romeo Spider | 1972 BMW 520 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | 520 |
| Year Released | 1977 | 1972 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1289 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 89 HP | 150 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 121 Nm | 190 Nm |
| Engine Bore Size | 80 mm | 80 mm |
| Engine Stroke Size | 67.5 mm | 66 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 980 kg | 1445 kg |
| Vehicle Length | 4130 mm | 4630 mm |
| Vehicle Width | 1640 mm | 1700 mm |
| Vehicle Height | 1300 mm | 1430 mm |
| Wheelbase Size | 2260 mm | 2770 mm |
