1972 Alfa Romeo Spider vs. 1981 BMW 725
To start off, 1981 BMW 725 is newer by 9 year(s). Which means there will be less support and parts availability for 1972 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1972 Alfa Romeo Spider would be higher. At 2,493 cc (6 cylinders), 1981 BMW 725 is equipped with a bigger engine. In terms of performance, 1981 BMW 725 (148 HP @ 5500 RPM) has 59 more horse power than 1972 Alfa Romeo Spider. (89 HP @ 6000 RPM) In normal driving conditions, 1981 BMW 725 should accelerate faster than 1972 Alfa Romeo Spider.
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 725 (215 Nm) has 94 more torque (in Nm) than 1972 Alfa Romeo Spider. (121 Nm). This means 1981 BMW 725 will have an easier job in driving up hills or pulling heavy equipment than 1972 Alfa Romeo Spider.
Compare all specifications:
| 1972 Alfa Romeo Spider | 1981 BMW 725 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | 725 |
| Year Released | 1972 | 1981 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1289 cc | 2493 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 89 HP | 148 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 121 Nm | 215 Nm |
| Engine Bore Size | 80.1 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 Length | 4130 mm | 4870 mm |
| Vehicle Width | 1640 mm | 1810 mm |
| Vehicle Height | 1300 mm | 1440 mm |
| Wheelbase Size | 2260 mm | 2810 mm |
