2009 Audi Q7 vs. 1973 Audi Fox
To start off, 2009 Audi Q7 is newer by 36 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 4,163 cc (8 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (345 HP @ 6800 RPM) has 270 more horse power than 1973 Audi Fox. (75 HP @ 5500 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 1973 Audi Fox. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1332 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 2009 Audi Q7 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, 2009 Audi Q7 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, 2009 Audi Q7 (440 Nm @ 3500 RPM) has 328 more torque (in Nm) than 1973 Audi Fox. (112 Nm @ 3200 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1973 Audi Fox. 2009 Audi Q7 has automatic transmission and 1973 Audi Fox has manual transmission. 1973 Audi Fox will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi Q7 | 1973 Audi Fox | |
| Make | Audi | Audi |
| Model | Q7 | Fox |
| Year Released | 2009 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1588 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 345 HP | 75 HP |
| Engine RPM | 6800 RPM | 5500 RPM |
| Torque | 440 Nm | 112 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Engine Bore Size | 84.5 mm | 79.5 mm |
| Engine Stroke Size | 92.8 mm | 80 mm |
| Engine Compression Ratio | 12.5:1 | 8.2:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2244 kg | 912 kg |
| Vehicle Length | 5090 mm | 4390 mm |
| Vehicle Width | 1990 mm | 1690 mm |
| Vehicle Height | 1740 mm | 1370 mm |
| Wheelbase Size | 3010 mm | 2550 mm |
| Fuel Tank Capacity | 100 L | 60 L |
