2006 BMW Z4 vs. 1977 Porsche 928
To start off, 2006 BMW Z4 is newer by 29 year(s). Which means there will be less support and parts availability for 1977 Porsche 928. In addition, the cost of maintenance, including insurance, on 1977 Porsche 928 would be higher. At 4,473 cc (8 cylinders), 1977 Porsche 928 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (343 HP @ 7900 RPM) has 106 more horse power than 1977 Porsche 928. (237 HP @ 5250 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1977 Porsche 928. With that said, vehicle weight also plays an important factor in acceleration. 1977 Porsche 928 weights approximately 118 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 132 more torque (in Nm) than 1977 Porsche 928. (363 Nm @ 3600 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1977 Porsche 928. 1977 Porsche 928 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. 1977 Porsche 928 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 1977 Porsche 928 | |
| Make | BMW | Porsche |
| Model | Z4 | 928 |
| Year Released | 2006 | 1977 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 4473 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 343 HP | 237 HP |
| Engine RPM | 7900 RPM | 5250 RPM |
| Torque | 495 Nm | 363 Nm |
| Torque RPM | 4900 RPM | 3600 RPM |
| Engine Compression Ratio | 11.5:1 | 10.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1332 kg | 1450 kg |
| Vehicle Length | 4100 mm | 4450 mm |
| Vehicle Width | 1790 mm | 1840 mm |
| Vehicle Height | 1300 mm | 1320 mm |
| Wheelbase Size | 2500 mm | 2510 mm |
| Fuel Tank Capacity | 60 L | 85 L |
