1984 Alfa Romeo Alfa 6 vs. 1981 BMW 525
To start off, 1984 Alfa Romeo Alfa 6 is newer by 3 year(s). Which means there will be less support and parts availability for 1981 BMW 525. In addition, the cost of maintenance, including insurance, on 1981 BMW 525 would be higher. At 2,495 cc (6 cylinders), 1981 BMW 525 is equipped with a bigger engine. In terms of performance, 1981 BMW 525 (148 HP @ 5500 RPM) has 13 more horse power than 1984 Alfa Romeo Alfa 6. (135 HP @ 5600 RPM) In normal driving conditions, 1981 BMW 525 should accelerate faster than 1984 Alfa Romeo Alfa 6. With that said, vehicle weight also plays an important factor in acceleration. 1984 Alfa Romeo Alfa 6 weights approximately 190 kg more than 1981 BMW 525.
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 525 (215 Nm @ 4000 RPM) has 37 more torque (in Nm) than 1984 Alfa Romeo Alfa 6. (178 Nm @ 4500 RPM). This means 1981 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1984 Alfa Romeo Alfa 6.
Compare all specifications:
| 1984 Alfa Romeo Alfa 6 | 1981 BMW 525 | |
| Make | Alfa Romeo | BMW |
| Model | Alfa 6 | 525 |
| Year Released | 1984 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 135 HP | 148 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 178 Nm | 215 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 86.1 mm |
| Engine Stroke Size | 66.2 mm | 71.6 mm |
| Engine Compression Ratio | 9.0:1 | 9.6:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1470 kg | 1280 kg |
| Vehicle Length | 4690 mm | 4780 mm |
| Vehicle Width | 1690 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2520 mm | 2630 mm |
| Fuel Tank Capacity | 72 L | 70 L |
