1981 Audi UR vs. 1991 Opel Astra
To start off, 1991 Opel Astra 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 2,144 cc (5 cylinders), 1981 Audi UR is equipped with a bigger engine. In terms of performance, 1981 Audi UR (197 HP @ 5500 RPM) has 97 more horse power than 1991 Opel Astra. (100 HP @ 5600 RPM). In normal driving conditions, 1981 Audi UR should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1981 Audi UR weights approximately 155 kg more than 1991 Opel Astra. 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 1991 Opel Astra. 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, 1981 Audi UR (285 Nm @ 3500 RPM) has 150 more torque (in Nm) than 1991 Opel Astra. (135 Nm @ 3400 RPM). This means 1981 Audi UR will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1981 Audi UR | 1991 Opel Astra | |
| Make | Audi | Opel |
| Model | UR | Astra |
| Year Released | 1981 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 1597 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 100 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 285 Nm | 135 Nm |
| Torque RPM | 3500 RPM | 3400 RPM |
| Engine Bore Size | 79.5 mm | 79 mm |
| Engine Stroke Size | 86.4 mm | 81.5 mm |
| Engine Compression Ratio | 7.0:1 | 9.8:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1250 kg | 1095 kg |
| Vehicle Length | 4430 mm | 4280 mm |
| Vehicle Width | 1690 mm | 1690 mm |
| Vehicle Height | 1360 mm | 1430 mm |
| Wheelbase Size | 2530 mm | 2640 mm |
| Fuel Tank Capacity | 70 L | 52 L |
