1991 BMW 525 vs. 1986 Alfa Romeo 90
To start off, 1991 BMW 525 is newer by 5 year(s). Which means there will be less support and parts availability for 1986 Alfa Romeo 90. In addition, the cost of maintenance, including insurance, on 1986 Alfa Romeo 90 would be higher. At 2,496 cc (6 cylinders), 1991 BMW 525 is equipped with a bigger engine. In terms of performance, 1991 BMW 525 (143 HP @ 4800 RPM) has 34 more horse power than 1986 Alfa Romeo 90. (109 HP @ 4200 RPM). In normal driving conditions, 1991 BMW 525 should accelerate faster than 1986 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 525 weights approximately 310 kg more than 1986 Alfa Romeo 90. 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 BMW 525 (260 Nm @ 2200 RPM) has 25 more torque (in Nm) than 1986 Alfa Romeo 90. (235 Nm @ 2300 RPM). This means 1991 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1986 Alfa Romeo 90.
Compare all specifications:
| 1991 BMW 525 | 1986 Alfa Romeo 90 | |
| Make | BMW | Alfa Romeo |
| Model | 525 | 90 |
| Year Released | 1991 | 1986 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2391 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 143 HP | 109 HP |
| Engine RPM | 4800 RPM | 4200 RPM |
| Torque | 260 Nm | 235 Nm |
| Torque RPM | 2200 RPM | 2300 RPM |
| Engine Bore Size | 80 mm | 92 mm |
| Engine Stroke Size | 83 mm | 90 mm |
| Engine Compression Ratio | 22.0:1 | 22.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 199 km/hour | 178 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1250 kg |
| Vehicle Length | 4730 mm | 4400 mm |
| Vehicle Width | 1760 mm | 1650 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2520 mm |
| Fuel Tank Capacity | 80 L | 49 L |
