1981 Audi UR vs. 1980 BMW M5
To start off, 1981 Audi UR is newer by 1 year(s). Which means there will be less support and parts availability for 1980 BMW M5. In addition, the cost of maintenance, including insurance, on 1980 BMW M5 would be higher. At 3,453 cc (6 cylinders), 1980 BMW M5 is equipped with a bigger engine. In terms of performance, 1980 BMW M5 (218 HP @ 5200 RPM) has 21 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 1980 BMW M5 should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 1980 BMW M5 weights approximately 141 kg more than 1981 Audi UR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 1980 BMW M5. 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, 1980 BMW M5 (304 Nm @ 4000 RPM) has 19 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 1980 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR.
Compare all specifications:
| 1981 Audi UR | 1980 BMW M5 | |
| Make | Audi | BMW |
| Model | UR | M5 |
| Year Released | 1981 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 3453 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 197 HP | 218 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 285 Nm | 304 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 79.5 mm | 93.4 mm |
| Engine Stroke Size | 86.4 mm | 84 mm |
| Engine Compression Ratio | 7.0:1 | 9.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1391 kg |
| Vehicle Length | 4430 mm | 4620 mm |
| Vehicle Width | 1690 mm | 1700 mm |
| Vehicle Height | 1360 mm | 1430 mm |
| Wheelbase Size | 2530 mm | 2640 mm |
| Fuel Tank Capacity | 70 L | 70 L |
