1991 Alfa Romeo SZ vs. 2005 BMW X5

To start off, 2005 BMW X5 is newer by 14 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, 2005 BMW X5 (215 HP @ 4000 RPM) has 7 more horse power than 1991 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2005 BMW X5 should accelerate faster than 1991 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 910 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 2005 BMW X5 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, 2005 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 275 more torque (in Nm) than 1991 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2005 BMW X5 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 2005 BMW X5
Make Alfa Romeo BMW
Model SZ X5
Year Released 1991 2005
Engine Position Front Front
Engine Size 2959 cc 2926 cc
Engine Cylinders 6 cylinders 6 cylinders
Engine Type in-line in-line
Valves per Cylinder 2 valves 4 valves
Horse Power 208 HP 215 HP
Engine RPM 6200 RPM 4000 RPM
Torque 245 Nm 520 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 18.0:1
Fuel Type Gasoline Diesel
Top Speed 233 km/hour 210 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 2170 kg
Vehicle Length 4670 mm 4670 mm
Vehicle Width 1740 mm 1880 mm
Vehicle Height 1320 mm 1720 mm
Wheelbase Size 2520 mm 2830 mm
Fuel Tank Capacity 50 L 93 L


 

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