2006 BMW Z4 vs. 1989 Porsche 911
To start off, 2006 BMW Z4 is newer by 17 year(s). Which means there will be less support and parts availability for 1989 Porsche 911. In addition, the cost of maintenance, including insurance, on 1989 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 1989 Porsche 911 is equipped with a bigger engine. In terms of performance, 1989 Porsche 911 (247 HP @ 6100 RPM) has 58 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 1989 Porsche 911 should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1989 Porsche 911 weights approximately 15 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, 1989 Porsche 911 (310 Nm @ 4800 RPM) has 65 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 1989 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 1989 Porsche 911 | |
| Make | BMW | Porsche |
| Model | Z4 | 911 |
| Year Released | 2006 | 1989 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2492 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 189 HP | 247 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 245 Nm | 310 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Engine Bore Size | 84 mm | 100 mm |
| Engine Stroke Size | 75 mm | 76.4 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| 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 | 1350 kg |
| Vehicle Length | 4100 mm | 4300 mm |
| Vehicle Width | 1790 mm | 1660 mm |
| Vehicle Height | 1310 mm | 1330 mm |
| Wheelbase Size | 2500 mm | 2270 mm |
| Fuel Tank Capacity | 55 L | 77 L |
