2007 Porsche 911 vs. 1973 Audi Fox
To start off, 2007 Porsche 911 is newer by 34 year(s). Which means there will be less support and parts availability for 1973 Audi Fox. In addition, the cost of maintenance, including insurance, on 1973 Audi Fox would be higher. At 3,824 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (350 HP @ 6600 RPM) has 275 more horse power than 1973 Audi Fox. (75 HP @ 5500 RPM). In normal driving conditions, 2007 Porsche 911 should accelerate faster than 1973 Audi Fox. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche 911 weights approximately 623 kg more than 1973 Audi Fox. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Audi Fox. In wet, icy, snow, or gravel driving conditions, 2007 Porsche 911 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, 2007 Porsche 911 (400 Nm @ 4600 RPM) has 288 more torque (in Nm) than 1973 Audi Fox. (112 Nm @ 3200 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1973 Audi Fox.
Compare all specifications:
| 2007 Porsche 911 | 1973 Audi Fox | |
| Make | Porsche | Audi |
| Model | 911 | Fox |
| Year Released | 2007 | 1973 |
| Engine Position | Rear | Front |
| Engine Size | 3824 cc | 1588 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 350 HP | 75 HP |
| Engine RPM | 6600 RPM | 5500 RPM |
| Torque | 400 Nm | 112 Nm |
| Torque RPM | 4600 RPM | 3200 RPM |
| Engine Bore Size | 99 mm | 79.5 mm |
| Engine Stroke Size | 82.8 mm | 80 mm |
| Engine Compression Ratio | 11.8:1 | 8.2:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1535 kg | 912 kg |
| Vehicle Length | 4440 mm | 4390 mm |
| Vehicle Width | 1860 mm | 1690 mm |
| Vehicle Height | 1310 mm | 1370 mm |
| Wheelbase Size | 2360 mm | 2550 mm |
| Fuel Tank Capacity | 67 L | 60 L |
