1981 Audi UR vs. 1957 BMW 501
To start off, 1981 Audi UR is newer by 24 year(s). Which means there will be less support and parts availability for 1957 BMW 501. In addition, the cost of maintenance, including insurance, on 1957 BMW 501 would be higher. At 3,168 cc (8 cylinders), 1957 BMW 501 is equipped with a bigger engine. In terms of performance, 1981 Audi UR (197 HP @ 5500 RPM) has 59 more horse power than 1957 BMW 501. (138 HP @ 4800 RPM). In normal driving conditions, 1981 Audi UR should accelerate faster than 1957 BMW 501. With that said, vehicle weight also plays an important factor in acceleration. 1957 BMW 501 weights approximately 155 kg more than 1981 Audi UR.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 1957 BMW 501. In wet, icy, snow, or gravel driving conditions, 1981 Audi UR 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, 1981 Audi UR (285 Nm @ 3500 RPM) has 62 more torque (in Nm) than 1957 BMW 501. (223 Nm @ 2500 RPM). This means 1981 Audi UR will have an easier job in driving up hills or pulling heavy equipment than 1957 BMW 501.
Compare all specifications:
1981 Audi UR | 1957 BMW 501 | |
Make | Audi | BMW |
Model | UR | 501 |
Year Released | 1981 | 1957 |
Engine Position | Front | Front |
Engine Size | 2144 cc | 3168 cc |
Engine Cylinders | 5 cylinders | 8 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 197 HP | 138 HP |
Engine RPM | 5500 RPM | 4800 RPM |
Torque | 285 Nm | 223 Nm |
Torque RPM | 3500 RPM | 2500 RPM |
Engine Bore Size | 79.5 mm | 82 mm |
Engine Stroke Size | 86.4 mm | 75 mm |
Fuel Type | Gasoline | Gasoline |
Drive Type | 4WD | Rear |
Number of Seats | 4 seats | 4 seats |
Vehicle Weight | 1250 kg | 1405 kg |
Vehicle Length | 4430 mm | 4740 mm |
Vehicle Width | 1690 mm | 1790 mm |
Vehicle Height | 1360 mm | 1540 mm |
Wheelbase Size | 2530 mm | 2840 mm |