2006 BMW Z4 vs. 1990 Porsche 911
To start off, 2006 BMW Z4 is newer by 16 year(s). Which means there will be less support and parts availability for 1990 Porsche 911. In addition, the cost of maintenance, including insurance, on 1990 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 1990 Porsche 911 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (255 HP @ 6600 RPM) has 8 more horse power than 1990 Porsche 911. (247 HP @ 6100 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1990 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 500 kg more than 1990 Porsche 911. 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, 1990 Porsche 911 (316 Nm @ 4800 RPM) has 18 more torque (in Nm) than 2006 BMW Z4. (298 Nm @ 2750 RPM). This means 1990 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 | 1990 Porsche 911 | |
| Make | BMW | Porsche |
| Model | Z4 | 911 |
| Year Released | 2006 | 1990 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2999 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 255 HP | 247 HP |
| Engine RPM | 6600 RPM | 6100 RPM |
| Torque | 298 Nm | 316 Nm |
| Torque RPM | 2750 RPM | 4800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1835 kg | 1335 kg |
| Vehicle Length | 4100 mm | 4260 mm |
| Vehicle Width | 1790 mm | 1660 mm |
| Vehicle Height | 1270 mm | 1330 mm |
| Wheelbase Size | 2500 mm | 2410 mm |
| Fuel Consumption Overall | 9.8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 55 L | 77 L |
