2007 Audi A4 vs. 1975 Audi Fox
To start off, 2007 Audi A4 is newer by 32 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 1,984 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (197 HP @ 5100 RPM) has 122 more horse power than 1975 Audi Fox. (75 HP @ 5500 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1975 Audi Fox. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 718 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2007 Audi A4 (280 Nm @ 1800 RPM) has 168 more torque (in Nm) than 1975 Audi Fox. (112 Nm @ 3200 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Audi Fox. 2007 Audi A4 has automatic transmission and 1975 Audi Fox has manual transmission. 1975 Audi Fox will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 1975 Audi Fox | |
| Make | Audi | Audi |
| Model | A4 | Fox |
| Year Released | 2007 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1588 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 75 HP |
| Engine RPM | 5100 RPM | 5500 RPM |
| Torque | 280 Nm | 112 Nm |
| Torque RPM | 1800 RPM | 3200 RPM |
| Engine Bore Size | 82.5 mm | 79.5 mm |
| Engine Stroke Size | 92.8 mm | 80 mm |
| Engine Compression Ratio | 10.5:1 | 8.2:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1630 kg | 912 kg |
| Vehicle Length | 4580 mm | 4390 mm |
| Vehicle Width | 1400 mm | 1690 mm |
| Vehicle Height | 1780 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2550 mm |
| Fuel Tank Capacity | 70 L | 60 L |
