2005 Audi S4 vs. 1975 Audi 50
To start off, 2005 Audi S4 is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Audi 50. In addition, the cost of maintenance, including insurance, on 1975 Audi 50 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 (339 HP @ 7000 RPM) has 290 more horse power than 1975 Audi 50. (49 HP @ 5800 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1975 Audi 50. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 990 kg more than 1975 Audi 50. 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 Audi 50. 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 (430 Nm @ 3500 RPM) has 353 more torque (in Nm) than 1975 Audi 50. (77 Nm @ 3500 RPM). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Audi 50.
Compare all specifications:
| 2005 Audi S4 | 1975 Audi 50 | |
| Make | Audi | Audi |
| Model | S4 | 50 |
| Year Released | 2005 | 1975 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1091 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 339 HP | 49 HP |
| Engine RPM | 7000 RPM | 5800 RPM |
| Torque | 430 Nm | 77 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | 4-speed manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1675 kg | 685 kg |
| Vehicle Length | 4580 mm | 3510 mm |
| Vehicle Width | 1790 mm | 1570 mm |
