2007 BMW X3 vs. 1975 Audi Fox
To start off, 2007 BMW X3 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 2,991 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (201 HP @ 4000 RPM) has 126 more horse power than 1975 Audi Fox. (75 HP @ 5500 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1975 Audi Fox. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 1013 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 2007 BMW X3 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, 2007 BMW X3 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 BMW X3 (410 Nm @ 1500 RPM) has 298 more torque (in Nm) than 1975 Audi Fox. (112 Nm @ 3200 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1975 Audi Fox.
Compare all specifications:
| 2007 BMW X3 | 1975 Audi Fox | |
| Make | BMW | Audi |
| Model | X3 | Fox |
| Year Released | 2007 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2991 cc | 1588 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 201 HP | 75 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 410 Nm | 112 Nm |
| Torque RPM | 1500 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 79.5 mm |
| Engine Stroke Size | 90 mm | 80 mm |
| Engine Compression Ratio | 17.0:1 | 8.2:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1925 kg | 912 kg |
| Vehicle Length | 4570 mm | 4390 mm |
| Vehicle Width | 1860 mm | 1690 mm |
| Vehicle Height | 1680 mm | 1370 mm |
| Wheelbase Size | 2800 mm | 2550 mm |
| Fuel Tank Capacity | 67 L | 60 L |
