1975 BMW 520 vs. 2005 BMW X3
To start off, 2005 BMW X3 is newer by 30 year(s). Which means there will be less support and parts availability for 1975 BMW 520. In addition, the cost of maintenance, including insurance, on 1975 BMW 520 would be higher. At 2,983 cc (6 cylinders), 2005 BMW X3 is equipped with a bigger engine. In terms of performance, 2005 BMW X3 (228 HP @ 5900 RPM) has 105 more horse power than 1975 BMW 520. (123 HP @ 5700 RPM) In normal driving conditions, 2005 BMW X3 should accelerate faster than 1975 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X3 weights approximately 540 kg more than 1975 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1975 BMW 520. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 BMW X3 (300 Nm @ 3500 RPM) has 128 more torque (in Nm) than 1975 BMW 520. (172 Nm @ 4350 RPM). This means 2005 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 520.
Compare all specifications:
1975 BMW 520 | 2005 BMW X3 | |
Make | BMW | BMW |
Model | 520 | X3 |
Year Released | 1975 | 2005 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 1991 cc | 2983 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 123 HP | 228 HP |
Engine RPM | 5700 RPM | 5900 RPM |
Torque | 172 Nm | 300 Nm |
Torque RPM | 4350 RPM | 3500 RPM |
Engine Compression Ratio | 9.3:1 | 10.0:1 |
Top Speed | 175 km/hour | 205 km/hour |
Acceleration 0-100mph | 12 seconds | 7.8 seconds |
Drive Type | Rear | 4WD |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1295 kg | 1835 kg |
Vehicle Length | 4630 mm | 4570 mm |
Vehicle Width | 1700 mm | 1860 mm |
Vehicle Height | 1430 mm | 1680 mm |
Wheelbase Size | 2640 mm | 2730 mm |
Fuel Tank Capacity | 70 L | 67 L |