1991 Alfa Romeo SZ vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo SZ would be higher. At 2,959 cc (6 cylinders), 1991 Alfa Romeo SZ is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo SZ (208 HP @ 6200 RPM) has 60 more horse power than 2007 BMW X3. (148 HP @ 4000 RPM). In normal driving conditions, 1991 Alfa Romeo SZ should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 480 kg more than 1991 Alfa Romeo SZ.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Alfa Romeo SZ. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 BMW X3 (330 Nm @ 2000 RPM) has 85 more torque (in Nm) than 1991 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo SZ.
Compare all specifications:
1991 Alfa Romeo SZ | 2007 BMW X3 | |
Make | Alfa Romeo | BMW |
Model | SZ | X3 |
Year Released | 1991 | 2007 |
Engine Position | Front | Front |
Engine Size | 2959 cc | 1994 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 208 HP | 148 HP |
Engine RPM | 6200 RPM | 4000 RPM |
Torque | 245 Nm | 330 Nm |
Torque RPM | 4500 RPM | 2000 RPM |
Engine Bore Size | 93 mm | 84 mm |
Engine Stroke Size | 72.6 mm | 90 mm |
Engine Compression Ratio | 10.0:1 | 17.0:1 |
Fuel Type | Gasoline | Diesel |
Top Speed | 233 km/hour | 215 km/hour |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1260 kg | 1740 kg |
Vehicle Length | 4670 mm | 4570 mm |
Vehicle Width | 1740 mm | 1680 mm |
Vehicle Height | 1320 mm | 1860 mm |
Wheelbase Size | 2520 mm | 2800 mm |
Fuel Tank Capacity | 50 L | 67 L |