2005 Audi A4 vs. 1975 Audi Fox
To start off, 2005 Audi A4 is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Audi Fox. In addition, the cost of maintenance, including insurance, on 1975 Audi Fox would be higher. At 1,781 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (148 HP @ 5700 RPM) has 58 more horse power than 1975 Audi Fox. (90 HP @ 5600 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1975 Audi Fox. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 355 kg more than 1975 Audi Fox. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Audi Fox is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1975 Audi Fox. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 A4 (210 Nm) has 47 more torque (in Nm) than 1975 Audi Fox. (163 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Audi Fox.
Compare all specifications:
| 2005 Audi A4 | 1975 Audi Fox | |
| Make | Audi | Audi |
| Model | A4 | Fox |
| Year Released | 2005 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1779 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 90 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 210 Nm | 163 Nm |
| Engine Bore Size | 81.1 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 9.3:1 | 10.0:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1375 kg | 1020 kg |
| Vehicle Length | 4550 mm | 4400 mm |
| Vehicle Width | 1780 mm | 1680 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2550 mm |
