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 1,786 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (170 HP @ 6500 RPM) has 60 more horse power than 1975 Audi Fox. (110 HP @ 6100 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 698 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 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Audi Fox. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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 A4 (225 Nm) has 85 more torque (in Nm) than 1975 Audi Fox. (140 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 | 1786 cc | 1588 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 110 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 225 Nm | 140 Nm |
| Engine Bore Size | 81 mm | 79.5 mm |
| Engine Stroke Size | 86 mm | 80 mm |
| Engine Compression Ratio | 9.3:1 | 9.2:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1610 kg | 912 kg |
| Vehicle Length | 4550 mm | 4390 mm |
| Vehicle Width | 1770 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2770 mm | 2550 mm |
| Fuel Tank Capacity | 66 L | 60 L |
