1991 Alpina B vs. 1983 Audi UR
To start off, 1991 Alpina B is newer by 8 year(s). Which means there will be less support and parts availability for 1983 Audi UR. In addition, the cost of maintenance, including insurance, on 1983 Audi UR would be higher. At 5,646 cc (12 cylinders), 1991 Alpina B is equipped with a bigger engine. In terms of performance, 1991 Alpina B (410 HP @ 5400 RPM) has 212 more horse power than 1983 Audi UR. (198 HP @ 5800 RPM). In normal driving conditions, 1991 Alpina B should accelerate faster than 1983 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 1991 Alpina B weights approximately 566 kg more than 1983 Audi UR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1983 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 1991 Alpina B. In wet, icy, snow, or gravel driving conditions, 1983 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, 1991 Alpina B (570 Nm @ 4000 RPM) has 300 more torque (in Nm) than 1983 Audi UR. (270 Nm @ 3000 RPM). This means 1991 Alpina B will have an easier job in driving up hills or pulling heavy equipment than 1983 Audi UR.
Compare all specifications:
| 1991 Alpina B | 1983 Audi UR | |
| Make | Alpina | Audi |
| Model | B | UR |
| Year Released | 1991 | 1983 |
| Engine Size | 5646 cc | 2226 cc |
| Engine Cylinders | 12 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 410 HP | 198 HP |
| Engine RPM | 5400 RPM | 5800 RPM |
| Torque | 570 Nm | 270 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1866 kg | 1300 kg |
| Vehicle Length | 4790 mm | 4430 mm |
| Vehicle Width | 1860 mm | 1690 mm |
| Vehicle Height | 1350 mm | 1390 mm |
| Wheelbase Size | 2690 mm | 2530 mm |
