1995 BMW Z3 vs. 1991 Porsche 928
To start off, 1995 BMW Z3 is newer by 4 year(s). Which means there will be less support and parts availability for 1991 Porsche 928. In addition, the cost of maintenance, including insurance, on 1991 Porsche 928 would be higher. At 4,663 cc (8 cylinders), 1991 Porsche 928 is equipped with a bigger engine. In terms of performance, 1991 Porsche 928 (306 HP @ 5900 RPM) has 166 more horse power than 1995 BMW Z3. (140 HP @ 6000 RPM) In normal driving conditions, 1991 Porsche 928 should accelerate faster than 1995 BMW Z3. With that said, vehicle weight also plays an important factor in acceleration. 1991 Porsche 928 weights approximately 355 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, 1991 Porsche 928 (408 Nm @ 4100 RPM) has 229 more torque (in Nm) than 1995 BMW Z3. (179 Nm @ 4300 RPM). This means 1991 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 | 1991 Porsche 928 | |
| Make | BMW | Porsche |
| Model | Z3 | 928 |
| Year Released | 1995 | 1991 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1894 cc | 4663 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 140 HP | 306 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 179 Nm | 408 Nm |
| Torque RPM | 4300 RPM | 4100 RPM |
| Engine Bore Size | 85 mm | 97 mm |
| Engine Stroke Size | 83.5 mm | 78.9 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 187 km/hour | 319 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 | 1530 kg |
| Vehicle Length | 4030 mm | 4530 mm |
| Vehicle Width | 1700 mm | 2060 mm |
| Vehicle Height | 1290 mm | 1290 mm |
| Wheelbase Size | 2450 mm | 2510 mm |
| Fuel Tank Capacity | 51 L | 76 L |
