2006 Audi A4 vs. 1958 BMW 501
To start off, 2006 Audi A4 is newer by 48 year(s). Which means there will be less support and parts availability for 1958 BMW 501. In addition, the cost of maintenance, including insurance, on 1958 BMW 501 would be higher. At 3,168 cc (8 cylinders), 1958 BMW 501 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (161 HP @ 5700 RPM) has 23 more horse power than 1958 BMW 501. (138 HP @ 4800 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 1958 BMW 501. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 120 kg more than 1958 BMW 501. 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 1958 BMW 501. 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 3 more torque (in Nm) than 1958 BMW 501. (222 Nm @ 2500 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1958 BMW 501.
Compare all specifications:
| 2006 Audi A4 | 1958 BMW 501 | |
| Make | Audi | BMW |
| Model | A4 | 501 |
| Year Released | 2006 | 1958 |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 3168 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 161 HP | 138 HP |
| Engine RPM | 5700 RPM | 4800 RPM |
| Torque | 225 Nm | 222 Nm |
| Torque RPM | 1950 RPM | 2500 RPM |
| Engine Bore Size | 81 mm | 82 mm |
| Engine Stroke Size | 86.4 mm | 75 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1525 kg | 1405 kg |
| Vehicle Length | 4550 mm | 4740 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1540 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
