2009 Audi S3 vs. 1973 BMW 525
To start off, 2009 Audi S3 is newer by 36 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, 2009 Audi S3 (252 HP @ 6000 RPM) has 109 more horse power than 1973 BMW 525. (143 HP @ 6000 RPM). In normal driving conditions, 2009 Audi S3 should accelerate faster than 1973 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi S3 weights approximately 75 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 2009 Audi S3 is four wheel drive (4WD), it will have significant more traction and grip than 1973 BMW 525. In wet, icy, snow, or gravel driving conditions, 2009 Audi S3 will offer significantly more control. 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, 2009 Audi S3 (331 Nm @ 2400 RPM) has 123 more torque (in Nm) than 1973 BMW 525. (208 Nm @ 4000 RPM). This means 2009 Audi S3 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 525.
Compare all specifications:
| 2009 Audi S3 | 1973 BMW 525 | |
| Make | Audi | BMW |
| Model | S3 | 525 |
| Year Released | 2009 | 1973 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 252 HP | 143 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 331 Nm | 208 Nm |
| Torque RPM | 2400 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 71.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 192 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 10.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1455 kg | 1380 kg |
| Vehicle Length | 4220 mm | 4630 mm |
| Vehicle Width | 1410 mm | 1700 mm |
| Vehicle Height | 1770 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2640 mm |
| Fuel Tank Capacity | 60 L | 70 L |
