2001 Audi A6 vs. 1981 Audi UR
To start off, 2001 Audi A6 is newer by 20 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 2,671 cc (6 cylinders), 2001 Audi A6 is equipped with a bigger engine. In terms of performance, 2001 Audi A6 (252 HP @ 5800 RPM) has 55 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM). In normal driving conditions, 2001 Audi A6 should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A6 weights approximately 470 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.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2001 Audi A6 (350 Nm @ 1800 RPM) has 65 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 2001 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR.
Compare all specifications:
| 2001 Audi A6 | 1981 Audi UR | |
| Make | Audi | Audi |
| Model | A6 | UR |
| Year Released | 2001 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2144 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 252 HP | 197 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 350 Nm | 285 Nm |
| Torque RPM | 1800 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 79.5 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 9.0:1 | 7.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1720 kg | 1250 kg |
| Vehicle Length | 4800 mm | 4430 mm |
| Vehicle Width | 1820 mm | 1690 mm |
| Vehicle Height | 1460 mm | 1360 mm |
| Wheelbase Size | 2660 mm | 2530 mm |
| Fuel Tank Capacity | 70 L | 70 L |
