2009 Audi S4 vs. 1983 BMW 525
To start off, 2009 Audi S4 is newer by 26 year(s). Which means there will be less support and parts availability for 1983 BMW 525. In addition, the cost of maintenance, including insurance, on 1983 BMW 525 would be higher. At 4,163 cc (8 cylinders), 2009 Audi S4 is equipped with a bigger engine. In terms of performance, 2009 Audi S4 (340 HP @ 7000 RPM) has 217 more horse power than 1983 BMW 525. (123 HP @ 4250 RPM). In normal driving conditions, 2009 Audi S4 should accelerate faster than 1983 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1983 BMW 525 weights approximately 320 kg more than 2009 Audi S4.
Because 2009 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1983 BMW 525. In wet, icy, snow, or gravel driving conditions, 2009 Audi S4 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 S4 (410 Nm @ 3500 RPM) has 169 more torque (in Nm) than 1983 BMW 525. (241 Nm @ 3250 RPM). This means 2009 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1983 BMW 525.
Compare all specifications:
| 2009 Audi S4 | 1983 BMW 525 | |
| Make | Audi | BMW |
| Model | S4 | 525 |
| Year Released | 2009 | 1983 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2693 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 123 HP |
| Engine RPM | 7000 RPM | 4250 RPM |
| Torque | 410 Nm | 241 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Engine Bore Size | 84.6 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 81 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 1250 kg |
| Vehicle Length | 4580 mm | 4630 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2630 mm |
| Fuel Tank Capacity | 63 L | 70 L |
