1973 BMW 525 vs. 2006 BMW Z4
To start off, 2006 BMW Z4 is newer by 33 year(s). Which means there will be less support and parts availability for 1973 BMW 525. In addition, the cost of maintenance, including insurance, on 1973 BMW 525 would be higher. At 2,979 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (228 HP @ 5900 RPM) has 85 more horse power than 1973 BMW 525. (143 HP @ 6000 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1973 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1973 BMW 525 weights approximately 15 kg more than 2006 BMW Z4.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2006 BMW Z4 (301 Nm @ 3500 RPM) has 93 more torque (in Nm) than 1973 BMW 525. (208 Nm @ 4000 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 525.
Compare all specifications:
1973 BMW 525 | 2006 BMW Z4 | |
Make | BMW | BMW |
Model | 525 | Z4 |
Year Released | 1973 | 2006 |
Body Type | Sedan | Convertible |
Engine Position | Front | Front |
Engine Size | 2494 cc | 2979 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 143 HP | 228 HP |
Engine RPM | 6000 RPM | 5900 RPM |
Torque | 208 Nm | 301 Nm |
Torque RPM | 4000 RPM | 3500 RPM |
Engine Bore Size | 86 mm | 84 mm |
Engine Stroke Size | 71.6 mm | 89.6 mm |
Fuel Type | Gasoline | Gasoline - Premium |
Top Speed | 192 km/hour | 250 km/hour |
Acceleration 0-100mph | 10.5 seconds | 5.9 seconds |
Drive Type | Rear | Rear |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1380 kg | 1365 kg |
Vehicle Length | 4630 mm | 4100 mm |
Vehicle Width | 1700 mm | 1790 mm |
Vehicle Height | 1430 mm | 1310 mm |
Wheelbase Size | 2640 mm | 2500 mm |
Fuel Tank Capacity | 70 L | 55 L |