1989 Alfa Romeo SZ vs. 2009 BMW X3
To start off, 2009 BMW X3 is newer by 20 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 2,996 cc (6 cylinders), 2009 BMW X3 is equipped with a bigger engine. In terms of performance, 2009 BMW X3 (260 HP @ 6600 RPM) has 52 more horse power than 1989 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2009 BMW X3 should accelerate faster than 1989 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X3 weights approximately 470 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 2009 BMW X3 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, 2009 BMW X3 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, 2009 BMW X3 (305 Nm @ 2750 RPM) has 60 more torque (in Nm) than 1989 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2009 BMW X3 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 | 2009 BMW X3 | |
| Make | Alfa Romeo | BMW |
| Model | SZ | X3 |
| Year Released | 1989 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 208 HP | 260 HP |
| Engine RPM | 6200 RPM | 6600 RPM |
| Torque | 245 Nm | 305 Nm |
| Torque RPM | 4500 RPM | 2750 RPM |
| Engine Bore Size | 93 mm | 85 mm |
| Engine Stroke Size | 72.6 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline |
| 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 | 1730 kg |
| Vehicle Length | 4070 mm | 4580 mm |
| Vehicle Width | 1740 mm | 1860 mm |
| Vehicle Height | 1320 mm | 1680 mm |
| Wheelbase Size | 2520 mm | 2800 mm |
| Fuel Consumption | 9.2 L/100km | 10.4 L/100km |
| Fuel Consumption City | 13.2 L/100km | 14.9 L/100km |
| Fuel Consumption Overall | 7.9 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 50 L | 67 L |
