2006 Audi A4 vs. 1974 Audi Fox
To start off, 2006 Audi A4 is newer by 32 year(s). Which means there will be less support and parts availability for 1974 Audi Fox. In addition, the cost of maintenance, including insurance, on 1974 Audi Fox would be higher. At 1,779 cc (4 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (161 HP @ 5700 RPM) has 86 more horse power than 1974 Audi Fox. (75 HP @ 5500 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 1974 Audi Fox. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 613 kg more than 1974 Audi Fox. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1974 Audi Fox. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Audi A4 (225 Nm @ 1950 RPM) has 113 more torque (in Nm) than 1974 Audi Fox. (112 Nm @ 3200 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1974 Audi Fox.
Compare all specifications:
| 2006 Audi A4 | 1974 Audi Fox | |
| Make | Audi | Audi |
| Model | A4 | Fox |
| Year Released | 2006 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1588 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 161 HP | 75 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 225 Nm | 112 Nm |
| Torque RPM | 1950 RPM | 3200 RPM |
| Engine Bore Size | 81 mm | 79.5 mm |
| Engine Stroke Size | 86.4 mm | 80 mm |
| Engine Compression Ratio | 9.0:1 | 8.2:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1525 kg | 912 kg |
| Vehicle Length | 4550 mm | 4390 mm |
| Vehicle Width | 1780 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2550 mm |
| Fuel Tank Capacity | 70 L | 60 L |
