1998 Alfa Romeo 156 vs. 1990 BMW 730
To start off, 1998 Alfa Romeo 156 is newer by 8 year(s). Which means there will be less support and parts availability for 1990 BMW 730. In addition, the cost of maintenance, including insurance, on 1990 BMW 730 would be higher. At 2,986 cc (6 cylinders), 1990 BMW 730 is equipped with a bigger engine. In terms of performance, 1990 BMW 730 (181 HP @ 5800 RPM) has 45 more horse power than 1998 Alfa Romeo 156. (136 HP @ 4200 RPM) In normal driving conditions, 1990 BMW 730 should accelerate faster than 1998 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1990 BMW 730 weights approximately 250 kg more than 1998 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 BMW 730 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1990 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 1998 Alfa Romeo 156, being front wheel drive (FWD), will offer much better control with better grip. 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, 1998 Alfa Romeo 156 (304 Nm @ 2000 RPM) has 44 more torque (in Nm) than 1990 BMW 730. (260 Nm @ 4000 RPM). This means 1998 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW 730.
Compare all specifications:
| 1998 Alfa Romeo 156 | 1990 BMW 730 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | 730 |
| Year Released | 1998 | 1990 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2386 cc | 2986 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 136 HP | 181 HP |
| Engine RPM | 4200 RPM | 5800 RPM |
| Torque | 304 Nm | 260 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 89 mm |
| Engine Stroke Size | 90.4 mm | 80 mm |
| Engine Compression Ratio | 18.5:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1350 kg | 1600 kg |
| Vehicle Length | 4440 mm | 4920 mm |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2600 mm | 2840 mm |
| Fuel Tank Capacity | 63 L | 90 L |
