2006 BMW Z4 vs. 1977 BMW 520
To start off, 2006 BMW Z4 is newer by 29 year(s). Which means there will be less support and parts availability for 1977 BMW 520. In addition, the cost of maintenance, including insurance, on 1977 BMW 520 would be higher. At 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 55 more horse power than 1977 BMW 520. (134 HP @ 4000 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 230 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, 1977 BMW 520 (280 Nm @ 1750 RPM) has 35 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
2006 BMW Z4 | 1977 BMW 520 | |
Make | BMW | BMW |
Model | Z4 | 520 |
Year Released | 2006 | 1977 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 2492 cc | 1951 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 189 HP | 134 HP |
Engine RPM | 6000 RPM | 4000 RPM |
Torque | 245 Nm | 280 Nm |
Torque RPM | 3500 RPM | 1750 RPM |
Engine Bore Size | 84 mm | 84 mm |
Engine Stroke Size | 75 mm | 88 mm |
Engine Compression Ratio | 11.0:1 | 19.0:1 |
Top Speed | 235 km/hour | 206 km/hour |
Acceleration 0-100mph | 7 seconds | 10.9 seconds |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1335 kg | 1565 kg |
Vehicle Length | 4100 mm | 4780 mm |
Vehicle Width | 1790 mm | 1810 mm |
Vehicle Height | 1310 mm | 1440 mm |
Wheelbase Size | 2500 mm | 2840 mm |
Fuel Consumption Overall | 9 L/100km | 5.9 L/100km |
Fuel Tank Capacity | 55 L | 70 L |