1975 Alfa Romeo Spider vs. 1973 BMW 525
To start off, 1975 Alfa Romeo Spider is newer by 2 year(s). Which means there will be less support and parts availability for 1973 BMW 525. In addition, the cost of maintenance, including insurance, on 1973 BMW 525 would be higher. At 2,494 cc (6 cylinders), 1973 BMW 525 is equipped with a bigger engine. In terms of performance, 1973 BMW 525 (143 HP @ 6000 RPM) has 54 more horse power than 1975 Alfa Romeo Spider. (89 HP @ 6000 RPM) In normal driving conditions, 1973 BMW 525 should accelerate faster than 1975 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1973 BMW 525 weights approximately 400 kg more than 1975 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, 1973 BMW 525 (208 Nm) has 87 more torque (in Nm) than 1975 Alfa Romeo Spider. (121 Nm). This means 1973 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Spider.
Compare all specifications:
| 1975 Alfa Romeo Spider | 1973 BMW 525 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | 525 |
| Year Released | 1975 | 1973 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1287 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 89 HP | 143 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 121 Nm | 208 Nm |
| Engine Bore Size | 80 mm | 86 mm |
| Engine Stroke Size | 67.5 mm | 71.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 980 kg | 1380 kg |
| Vehicle Length | 4130 mm | 4630 mm |
| Vehicle Width | 1640 mm | 1700 mm |
| Vehicle Height | 1300 mm | 1430 mm |
| Wheelbase Size | 2260 mm | 2640 mm |
