1989 Alfa Romeo SZ vs. 2001 BMW X5
To start off, 2001 BMW X5 is newer by 12 year(s). Which means there will be less support and parts availability for 1989 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1989 Alfa Romeo SZ would be higher. At 2,979 cc (6 cylinders), 2001 BMW X5 is equipped with a bigger engine. In terms of performance, 2001 BMW X5 (227 HP @ 5900 RPM) has 19 more horse power than 1989 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2001 BMW X5 should accelerate faster than 1989 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW X5 weights approximately 810 kg more than 1989 Alfa Romeo SZ. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1989 Alfa Romeo SZ. In wet, icy, snow, or gravel driving conditions, 2001 BMW X5 will offer significantly more control. 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, 2001 BMW X5 (300 Nm @ 3500 RPM) has 55 more torque (in Nm) than 1989 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2001 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1989 Alfa Romeo SZ.
Compare all specifications:
| 1989 Alfa Romeo SZ | 2001 BMW X5 | |
| Make | Alfa Romeo | BMW |
| Model | SZ | X5 |
| Year Released | 1989 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 208 HP | 227 HP |
| Engine RPM | 6200 RPM | 5900 RPM |
| Torque | 245 Nm | 300 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 72.6 mm | 89.6 mm |
| Engine Compression Ratio | 10.0:1 | 10.2:1 |
| Top Speed | 245 km/hour | 202 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1260 kg | 2070 kg |
| Vehicle Length | 4070 mm | 4670 mm |
| Vehicle Width | 1740 mm | 1880 mm |
| Vehicle Height | 1320 mm | 1720 mm |
| Wheelbase Size | 2520 mm | 2830 mm |
| Fuel Consumption | 9.2 L/100km | 10.2 L/100km |
| Fuel Consumption City | 13.2 L/100km | 17.5 L/100km |
| Fuel Consumption Overall | 7.9 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 50 L | 93 L |
