1999 Alpina B 10 vs. 1991 BMW 525
To start off, 1999 Alpina B 10 is newer by 8 year(s). Which means there will be less support and parts availability for 1991 BMW 525. In addition, the cost of maintenance, including insurance, on 1991 BMW 525 would be higher. At 4,618 cc (8 cylinders), 1999 Alpina B 10 is equipped with a bigger engine. In terms of performance, 1999 Alpina B 10 (342 HP @ 5700 RPM) has 199 more horse power than 1991 BMW 525. (143 HP @ 4800 RPM). In normal driving conditions, 1999 Alpina B 10 should accelerate faster than 1991 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1999 Alpina B 10 weights approximately 130 kg more than 1991 BMW 525. 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, 1999 Alpina B 10 (490 Nm @ 3700 RPM) has 230 more torque (in Nm) than 1991 BMW 525. (260 Nm @ 2200 RPM). This means 1999 Alpina B 10 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 525.
Compare all specifications:
| 1999 Alpina B 10 | 1991 BMW 525 | |
| Make | Alpina | BMW |
| Model | B 10 | 525 |
| Year Released | 1999 | 1991 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4618 cc | 2496 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 342 HP | 143 HP |
| Engine RPM | 5700 RPM | 4800 RPM |
| Torque | 490 Nm | 260 Nm |
| Torque RPM | 3700 RPM | 2200 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1690 kg | 1560 kg |
| Vehicle Length | 4780 mm | 4730 mm |
| Vehicle Width | 1810 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1420 mm |
| Wheelbase Size | 2840 mm | 2770 mm |
