2005 Audi S4 vs. 1975 Porsche 930
To start off, 2005 Audi S4 is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Porsche 930. In addition, the cost of maintenance, including insurance, on 1975 Porsche 930 would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 7000 RPM) has 84 more horse power than 1975 Porsche 930. (256 HP @ 5500 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1975 Porsche 930. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 715 kg more than 1975 Porsche 930. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Porsche 930. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi S4 (410 Nm @ 3500 RPM) has 60 more torque (in Nm) than 1975 Porsche 930. (350 Nm @ 3000 RPM). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Porsche 930.
Compare all specifications:
| 2005 Audi S4 | 1975 Porsche 930 | |
| Make | Audi | Porsche |
| Model | S4 | 930 |
| Year Released | 2005 | 1975 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4163 cc | 2994 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 256 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 410 Nm | 350 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Compression Ratio | 11.0:1 | 6.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1855 kg | 1140 kg |
| Vehicle Length | 4580 mm | 4300 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1320 mm |
| Wheelbase Size | 2660 mm | 2510 mm |
