1991 Alpina B vs. 1992 BMW 520
To start off, 1992 BMW 520 is newer by 1 year(s). Which means there will be less support and parts availability for 1991 Alpina B. In addition, the cost of maintenance, including insurance, on 1991 Alpina B 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 262 more horse power than 1992 BMW 520. (148 HP @ 5900 RPM). In normal driving conditions, 1991 Alpina B should accelerate faster than 1992 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1991 Alpina B weights approximately 378 kg more than 1992 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1991 Alpina B (570 Nm @ 4000 RPM) has 380 more torque (in Nm) than 1992 BMW 520. (190 Nm @ 4700 RPM). This means 1991 Alpina B will have an easier job in driving up hills or pulling heavy equipment than 1992 BMW 520.
Compare all specifications:
| 1991 Alpina B | 1992 BMW 520 | |
| Make | Alpina | BMW |
| Model | B | 520 |
| Year Released | 1991 | 1992 |
| Engine Size | 5646 cc | 1990 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 410 HP | 148 HP |
| Engine RPM | 5400 RPM | 5900 RPM |
| Torque | 570 Nm | 190 Nm |
| Torque RPM | 4000 RPM | 4700 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1866 kg | 1488 kg |
| Vehicle Length | 4790 mm | 4730 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1350 mm | 1400 mm |
