1977 BMW 728 vs. 2002 BMW Z4

To start off, 2002 BMW Z4 is newer by 25 year(s). Which means there will be less support and parts availability for 1977 BMW 728. In addition, the cost of maintenance, including insurance, on 1977 BMW 728 would be higher. At 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 2002 BMW Z4 (190 HP @ 6000 RPM) has 20 more horse power than 1977 BMW 728. (170 HP @ 6000 RPM) In normal driving conditions, 2002 BMW Z4 should accelerate faster than 1977 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 141 kg more than 2002 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, 2002 BMW Z4 (245 Nm @ 3500 RPM) has 10 more torque (in Nm) than 1977 BMW 728. (235 Nm @ 3700 RPM). This means 2002 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 728.

Compare all specifications:

1977 BMW 728 2002 BMW Z4
Make BMW BMW
Model 728 Z4
Year Released 1977 2002
Body Type Sedan Convertible
Engine Position Front Front
Engine Size 2788 cc 2494 cc
Engine Cylinders 6 cylinders 6 cylinders
Engine Type in-line in-line
Horse Power 170 HP 190 HP
Engine RPM 6000 RPM 6000 RPM
Torque 235 Nm 245 Nm
Torque RPM 3700 RPM 3500 RPM
Engine Bore Size 86 mm 84 mm
Engine Stroke Size 80 mm 75 mm
Engine Compression Ratio 9.0:1 10.5:1
Top Speed 193 km/hour 235 km/hour
Drive Type Rear Rear
Transmission Type Manual Manual
Number of Seats 5 seats 2 seats
Number of Doors 4 doors 2 doors
Vehicle Weight 1536 kg 1395 kg
Vehicle Length 4870 mm 4100 mm
Vehicle Width 1810 mm 1790 mm
Vehicle Height 1440 mm 1310 mm
Wheelbase Size 2800 mm 2580 mm
Fuel Tank Capacity 85 L 55 L


 

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