1977 BMW 520 vs. 2006 BMW Z4
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 2,170 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (168 HP @ 6250 RPM) has 34 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 240 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 70 more torque (in Nm) than 2006 BMW Z4. (210 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. 2006 BMW Z4 has automatic transmission and 1977 BMW 520 has manual transmission. 1977 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
1977 BMW 520 | 2006 BMW Z4 | |
Make | BMW | BMW |
Model | 520 | Z4 |
Year Released | 1977 | 2006 |
Body Type | Sedan | Convertible |
Engine Position | Front | Front |
Engine Size | 1951 cc | 2170 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 134 HP | 168 HP |
Engine RPM | 4000 RPM | 6250 RPM |
Torque | 280 Nm | 210 Nm |
Torque RPM | 1750 RPM | 3500 RPM |
Engine Bore Size | 84 mm | 80 mm |
Engine Stroke Size | 88 mm | 72 mm |
Engine Compression Ratio | 19.0:1 | 10.8:1 |
Top Speed | 206 km/hour | 225 km/hour |
Acceleration 0-100mph | 10.9 seconds | 7.7 seconds |
Drive Type | Rear | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1565 kg | 1325 kg |
Vehicle Length | 4780 mm | 4100 mm |
Vehicle Width | 1810 mm | 1790 mm |
Vehicle Height | 1440 mm | 1310 mm |
Wheelbase Size | 2840 mm | 2500 mm |
Fuel Consumption Overall | 5.9 L/100km | 8.9 L/100km |
Fuel Tank Capacity | 70 L | 55 L |