1981 Audi UR vs. 1958 BMW 503
To start off, 1981 Audi UR is newer by 23 year(s). Which means there will be less support and parts availability for 1958 BMW 503. In addition, the cost of maintenance, including insurance, on 1958 BMW 503 would be higher. At 3,168 cc (8 cylinders), 1958 BMW 503 is equipped with a bigger engine. In terms of performance, 1981 Audi UR (197 HP @ 5800 RPM) has 59 more horse power than 1958 BMW 503. (138 HP @ 4800 RPM). In normal driving conditions, 1981 Audi UR should accelerate faster than 1958 BMW 503. With that said, vehicle weight also plays an important factor in acceleration. 1958 BMW 503 weights approximately 200 kg more than 1981 Audi UR.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 1958 BMW 503. 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 (270 Nm @ 3000 RPM) has 48 more torque (in Nm) than 1958 BMW 503. (222 Nm @ 2500 RPM). This means 1981 Audi UR will have an easier job in driving up hills or pulling heavy equipment than 1958 BMW 503.
Compare all specifications:
| 1981 Audi UR | 1958 BMW 503 | |
| Make | Audi | BMW |
| Model | UR | 503 |
| Year Released | 1981 | 1958 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 3168 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 197 HP | 138 HP |
| Engine RPM | 5800 RPM | 4800 RPM |
| Torque | 270 Nm | 222 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1300 kg | 1500 kg |
| Vehicle Length | 4430 mm | 4760 mm |
| Vehicle Width | 1690 mm | 1710 mm |
| Vehicle Height | 1390 mm | 1400 mm |
| Wheelbase Size | 2530 mm | 2840 mm |
| Fuel Tank Capacity | 58 L | 75 L |
