2006 BMW Z4 vs. 1981 BMW 745
To start off, 2006 BMW Z4 is newer by 25 year(s). Which means there will be less support and parts availability for 1981 BMW 745. In addition, the cost of maintenance, including insurance, on 1981 BMW 745 would be higher. At 3,430 cc (6 cylinders), 1981 BMW 745 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (343 HP @ 7900 RPM) has 91 more horse power than 1981 BMW 745. (252 HP @ 5200 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1981 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 264 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 (495 Nm @ 4900 RPM) has 115 more torque (in Nm) than 1981 BMW 745. (380 Nm @ 2200 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 745. 1981 BMW 745 has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 BMW 745 will be easier to drive especially in heavy traffic.
Compare all specifications:
2006 BMW Z4 | 1981 BMW 745 | |
Make | BMW | BMW |
Model | Z4 | 745 |
Year Released | 2006 | 1981 |
Body Type | Coupe | Sedan |
Engine Position | Front | Front |
Engine Size | 3246 cc | 3430 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 343 HP | 252 HP |
Engine RPM | 7900 RPM | 5200 RPM |
Torque | 495 Nm | 380 Nm |
Torque RPM | 4900 RPM | 2200 RPM |
Engine Compression Ratio | 11.5:1 | 8.0:1 |
Top Speed | 249 km/hour | 227 km/hour |
Drive Type | Rear | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1332 kg | 1596 kg |
Vehicle Length | 4100 mm | 4870 mm |
Vehicle Width | 1790 mm | 1810 mm |
Vehicle Height | 1300 mm | 1440 mm |
Wheelbase Size | 2500 mm | 2770 mm |
Fuel Tank Capacity | 60 L | 100 L |