2007 BMW Z4 vs. 1990 BMW 730
To start off, 2007 BMW Z4 is newer by 17 year(s). Which means there will be less support and parts availability for 1990 BMW 730. In addition, the cost of maintenance, including insurance, on 1990 BMW 730 would be higher. At 2,986 cc (6 cylinders), 1990 BMW 730 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (215 HP @ 6500 RPM) has 34 more horse power than 1990 BMW 730. (181 HP @ 5800 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1990 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1990 BMW 730 weights approximately 238 kg more than 2007 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, 1990 BMW 730 (260 Nm @ 4000 RPM) has 10 more torque (in Nm) than 2007 BMW Z4. (250 Nm @ 2750 RPM). This means 1990 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
2007 BMW Z4 | 1990 BMW 730 | |
Make | BMW | BMW |
Model | Z4 | 730 |
Year Released | 2007 | 1990 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 2497 cc | 2986 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 215 HP | 181 HP |
Engine RPM | 6500 RPM | 5800 RPM |
Torque | 250 Nm | 260 Nm |
Torque RPM | 2750 RPM | 4000 RPM |
Engine Bore Size | 82 mm | 89 mm |
Engine Stroke Size | 78.8 mm | 80 mm |
Engine Compression Ratio | 11.0:1 | 9.0:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1362 kg | 1600 kg |
Vehicle Length | 4100 mm | 4920 mm |
Vehicle Width | 1310 mm | 1850 mm |
Vehicle Height | 1790 mm | 1420 mm |
Wheelbase Size | 2500 mm | 2840 mm |
Fuel Tank Capacity | 55 L | 90 L |