1999 Audi A4 vs. 1981 Audi UR
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 2,144 cc (5 cylinders), 1981 Audi UR is equipped with a bigger engine. In terms of performance, 1981 Audi UR (197 HP) has 47 more horse power than 1999 Audi A4. (150 HP) In normal driving conditions, 1981 Audi UR should accelerate faster than 1999 Audi A4.
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 (285 Nm) has 75 more torque (in Nm) than 1999 Audi A4. (210 Nm). 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:
| 1999 Audi A4 | 1981 Audi UR | |
| Make | Audi | Audi |
| Model | A4 | UR |
| Year Released | 1999 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 2144 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 150 HP | 197 HP |
| Torque | 210 Nm | 285 Nm |
| Engine Bore Size | 81 mm | 79.5 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 9.5:1 | 7.0:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4480 mm | 4430 mm |
| Vehicle Width | 1740 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1360 mm |
| Wheelbase Size | 2610 mm | 2530 mm |
