2005 BMW 730 vs. 1986 Alfa Romeo 90
To start off, 2005 BMW 730 is newer by 19 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 2,979 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. In terms of performance, 2005 BMW 730 (225 HP @ 4000 RPM) has 95 more horse power than 1986 Alfa Romeo 90. (130 HP @ 4200 RPM). In normal driving conditions, 2005 BMW 730 should accelerate faster than 1986 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 895 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, 2005 BMW 730 (500 Nm) has 324 more torque (in Nm) than 1986 Alfa Romeo 90. (176 Nm). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1986 Alfa Romeo 90.
Compare all specifications:
| 2005 BMW 730 | 1986 Alfa Romeo 90 | |
| Make | BMW | Alfa Romeo |
| Model | 730 | 90 |
| Year Released | 2005 | 1986 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 225 HP | 130 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 500 Nm | 176 Nm |
| Engine Bore Size | 84.1 mm | 80.1 mm |
| Engine Stroke Size | 90 mm | 66.2 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1975 kg | 1080 kg |
| Vehicle Length | 5050 mm | 4400 mm |
| Vehicle Width | 1910 mm | 1650 mm |
| Vehicle Height | 1500 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2520 mm |
