2005 Alfa Romeo 156 vs. 1973 BMW 525
To start off, 2005 Alfa Romeo 156 is newer by 32 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, 2005 Alfa Romeo 156 (185 HP @ 5000 RPM) has 42 more horse power than 1973 BMW 525. (143 HP @ 6000 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 1973 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 110 kg more than 1973 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 BMW 525 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1973 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 156, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 Alfa Romeo 156 (221 Nm @ 5000 RPM) has 13 more torque (in Nm) than 1973 BMW 525. (208 Nm @ 4000 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 525.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1973 BMW 525 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | 525 |
| Year Released | 2005 | 1973 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 185 HP | 143 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 221 Nm | 208 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Engine Bore Size | 88 mm | 86 mm |
| Engine Stroke Size | 68.3 mm | 71.6 mm |
| Engine Compression Ratio | 10.3:1 | 9.0:1 |
| Top Speed | 225 km/hour | 192 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 10.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1490 kg | 1380 kg |
| Vehicle Length | 4730 mm | 4630 mm |
| Vehicle Width | 1820 mm | 1700 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2640 mm |
| Fuel Tank Capacity | 72 L | 70 L |
