2005 Audi S4 vs. 1983 BMW 325
To start off, 2005 Audi S4 is newer by 22 year(s). Which means there will be less support and parts availability for 1983 BMW 325. In addition, the cost of maintenance, including insurance, on 1983 BMW 325 would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 169 more horse power than 1983 BMW 325. (171 HP @ 5800 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1983 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 705 kg more than 1983 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 188 more torque (in Nm) than 1983 BMW 325. (222 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1983 BMW 325.
Compare all specifications:
| 2005 Audi S4 | 1983 BMW 325 | |
| Make | Audi | BMW |
| Model | S4 | 325 |
| Year Released | 2005 | 1983 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2494 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 171 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 410 Nm | 222 Nm |
| Engine Compression Ratio | 11.0:1 | 9.7:1 |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1135 kg |
| Vehicle Length | 4580 mm | 4330 mm |
| Vehicle Width | 1780 mm | 1650 mm |
| Vehicle Height | 1400 mm | 1390 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
| Fuel Tank Capacity | 63 L | 70 L |
