1995 BMW Z3 vs. 1986 Porsche 928
To start off, 1995 BMW Z3 is newer by 9 year(s). Which means there will be less support and parts availability for 1986 Porsche 928. In addition, the cost of maintenance, including insurance, on 1986 Porsche 928 would be higher. At 4,957 cc (8 cylinders), 1986 Porsche 928 is equipped with a bigger engine. In terms of performance, 1986 Porsche 928 (321 HP @ 6000 RPM) has 181 more horse power than 1995 BMW Z3. (140 HP @ 6000 RPM) In normal driving conditions, 1986 Porsche 928 should accelerate faster than 1995 BMW Z3. With that said, vehicle weight also plays an important factor in acceleration. 1986 Porsche 928 weights approximately 375 kg more than 1995 BMW Z3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1986 Porsche 928 (430 Nm @ 3000 RPM) has 251 more torque (in Nm) than 1995 BMW Z3. (179 Nm @ 4300 RPM). This means 1986 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1995 BMW Z3.
Compare all specifications:
| 1995 BMW Z3 | 1986 Porsche 928 | |
| Make | BMW | Porsche |
| Model | Z3 | 928 |
| Year Released | 1995 | 1986 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1894 cc | 4957 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 140 HP | 321 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 179 Nm | 430 Nm |
| Torque RPM | 4300 RPM | 3000 RPM |
| Engine Bore Size | 85 mm | 100 mm |
| Engine Stroke Size | 83.5 mm | 78.9 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Top Speed | 187 km/hour | 274 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1175 kg | 1550 kg |
| Vehicle Length | 4030 mm | 4450 mm |
| Vehicle Width | 1700 mm | 1840 mm |
| Vehicle Height | 1290 mm | 1290 mm |
| Wheelbase Size | 2450 mm | 2510 mm |
