2006 BMW Z4 vs. 1992 Porsche 968
To start off, 2006 BMW Z4 is newer by 14 year(s). Which means there will be less support and parts availability for 1992 Porsche 968. In addition, the cost of maintenance, including insurance, on 1992 Porsche 968 would be higher. At 2,990 cc (4 cylinders), 1992 Porsche 968 is equipped with a bigger engine. In terms of performance, 1992 Porsche 968 (241 HP @ 6200 RPM) has 52 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 1992 Porsche 968 should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1992 Porsche 968 weights approximately 65 kg more than 2006 BMW Z4. 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, 1992 Porsche 968 (305 Nm @ 4100 RPM) has 60 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 1992 Porsche 968 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 1992 Porsche 968 | |
| Make | BMW | Porsche |
| Model | Z4 | 968 |
| Year Released | 2006 | 1992 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2990 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 241 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 245 Nm | 305 Nm |
| Torque RPM | 3500 RPM | 4100 RPM |
| Engine Bore Size | 84 mm | 104 mm |
| Engine Stroke Size | 75 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 235 km/hour | 255 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 | 1335 kg | 1400 kg |
| Vehicle Length | 4100 mm | 4350 mm |
| Vehicle Width | 1790 mm | 1730 mm |
| Vehicle Height | 1310 mm | 1280 mm |
| Wheelbase Size | 2500 mm | 2510 mm |
| Fuel Consumption Overall | 9 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 55 L | 74 L |
