1981 Audi UR vs. 1988 BMW M6
To start off, 1988 BMW M6 is newer by 7 year(s). Which means there will be less support and parts availability for 1981 Audi UR. In addition, the cost of maintenance, including insurance, on 1981 Audi UR would be higher. At 3,453 cc (6 cylinders), 1988 BMW M6 is equipped with a bigger engine. In terms of performance, 1988 BMW M6 (282 HP @ 6500 RPM) has 85 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 1988 BMW M6 should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 1988 BMW M6 weights approximately 255 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 1988 BMW M6. 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, 1988 BMW M6 (334 Nm @ 4500 RPM) has 49 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 1988 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR.
Compare all specifications:
| 1981 Audi UR | 1988 BMW M6 | |
| Make | Audi | BMW |
| Model | UR | M6 |
| Year Released | 1981 | 1988 |
| 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 | 4 valves |
| Horse Power | 197 HP | 282 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 285 Nm | 334 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 79.5 mm | 93.4 mm |
| Engine Stroke Size | 86.4 mm | 84 mm |
| Engine Compression Ratio | 7.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1505 kg |
| Vehicle Length | 4430 mm | 4760 mm |
| Vehicle Width | 1690 mm | 1730 mm |
| Vehicle Height | 1360 mm | 1360 mm |
| Wheelbase Size | 2530 mm | 2630 mm |
| Fuel Tank Capacity | 70 L | 70 L |
