1981 Audi UR vs. 1991 Audi 100
To start off, 1991 Audi 100 is newer by 10 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 2,771 cc (6 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 1981 Audi UR (197 HP @ 5500 RPM) has 25 more horse power than 1991 Audi 100. (172 HP @ 5500 RPM). In normal driving conditions, 1981 Audi UR should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 256 kg more than 1981 Audi UR.
Let's talk about torque, 1981 Audi UR (285 Nm @ 3500 RPM) has 35 more torque (in Nm) than 1991 Audi 100. (250 Nm @ 3000 RPM). This means 1981 Audi UR will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1981 Audi UR | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | UR | 100 |
| Year Released | 1981 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 2771 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 172 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 285 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 79.5 mm | 82.5 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1506 kg |
| Vehicle Length | 4430 mm | 4800 mm |
| Vehicle Width | 1690 mm | 1780 mm |
| Vehicle Height | 1360 mm | 1450 mm |
