1981 Audi UR vs. 1999 Audi A4
To start off, 1999 Audi A4 is newer by 18 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 2,226 cc (5 cylinders), 1981 Audi UR is equipped with a bigger engine. In terms of performance, 1981 Audi UR (197 HP @ 5800 RPM) has 74 more horse power than 1999 Audi A4. (123 HP @ 5800 RPM). In normal driving conditions, 1981 Audi UR should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A4 weights approximately 56 kg more than 1981 Audi UR.
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, 1981 Audi UR (270 Nm @ 3000 RPM) has 102 more torque (in Nm) than 1999 Audi A4. (168 Nm @ 3500 RPM). This means 1981 Audi UR will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 1981 Audi UR | 1999 Audi A4 | |
| Make | Audi | Audi |
| Model | UR | A4 |
| Year Released | 1981 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 1781 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 123 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 270 Nm | 168 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1300 kg | 1356 kg |
| Vehicle Length | 4430 mm | 4480 mm |
| Vehicle Width | 1690 mm | 1740 mm |
| Vehicle Height | 1390 mm | 1420 mm |
| Wheelbase Size | 2530 mm | 2610 mm |
| Fuel Tank Capacity | 58 L | 60 L |
