1991 Alfa Romeo SZ vs. 2011 BMW X3
To start off, 2011 BMW X3 is newer by 20 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 2,993 cc (6 cylinders), 2011 BMW X3 is equipped with a bigger engine. In terms of performance, 2011 BMW X3 (256 HP @ 4000 RPM) has 48 more horse power than 1991 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2011 BMW X3 should accelerate faster than 1991 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW X3 weights approximately 615 kg more than 1991 Alfa Romeo SZ. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 BMW X3 is all wheel drive (AWD), it will have significant more traction and grip than 1991 Alfa Romeo SZ. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 BMW X3 (560 Nm @ 2000 RPM) has 315 more torque (in Nm) than 1991 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2011 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 | 2011 BMW X3 | |
Make | Alfa Romeo | BMW |
Model | SZ | X3 |
Year Released | 1991 | 2011 |
Engine Position | Front | Front |
Engine Size | 2959 cc | 2993 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 208 HP | 256 HP |
Engine RPM | 6200 RPM | 4000 RPM |
Torque | 245 Nm | 560 Nm |
Torque RPM | 4500 RPM | 2000 RPM |
Engine Bore Size | 93 mm | 90 mm |
Engine Stroke Size | 72.6 mm | 84 mm |
Fuel Type | Gasoline | Diesel |
Top Speed | 233 km/hour | 209 km/hour |
Drive Type | Rear | AWD |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1260 kg | 1875 kg |
Vehicle Length | 4670 mm | 4648 mm |
Vehicle Width | 1740 mm | 1881 mm |
Vehicle Height | 1320 mm | 1675 mm |
Wheelbase Size | 2520 mm | 2810 mm |
Fuel Tank Capacity | 50 L | 67 L |