1981 Audi UR vs. 1993 BMW M5
To start off, 1993 BMW M5 is newer by 12 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 3,795 cc (6 cylinders), 1993 BMW M5 is equipped with a bigger engine. In terms of performance, 1993 BMW M5 (336 HP @ 6900 RPM) has 139 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 1993 BMW M5 should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 1993 BMW M5 weights approximately 475 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 1993 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, 1993 BMW M5 (400 Nm @ 4750 RPM) has 115 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 1993 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 | 1993 BMW M5 | |
| Make | Audi | BMW |
| Model | UR | M5 |
| Year Released | 1981 | 1993 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 3795 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 336 HP |
| Engine RPM | 5500 RPM | 6900 RPM |
| Torque | 285 Nm | 400 Nm |
| Torque RPM | 3500 RPM | 4750 RPM |
| Engine Bore Size | 79.5 mm | 94.6 mm |
| Engine Stroke Size | 86.4 mm | 90 mm |
| Engine Compression Ratio | 7.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1725 kg |
| Vehicle Length | 4430 mm | 4730 mm |
| Vehicle Width | 1690 mm | 1760 mm |
| Vehicle Height | 1360 mm | 1420 mm |
| Wheelbase Size | 2530 mm | 2770 mm |
| Fuel Tank Capacity | 70 L | 90 L |
