1999 BMW Z9 vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 BMW Z9. In addition, the cost of maintenance, including insurance, on 1999 BMW Z9 would be higher. At 3,901 cc (8 cylinders), 1999 BMW Z9 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6600 RPM) has 108 more horse power than 1999 BMW Z9. (242 HP @ 4000 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1999 BMW Z9.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1999 BMW Z9. In wet, icy, snow, or gravel driving conditions, 2009 Porsche 911 will offer significantly more control. 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, 1999 BMW Z9 (560 Nm @ 1750 RPM) has 160 more torque (in Nm) than 2009 Porsche 911. (400 Nm @ 4600 RPM). This means 1999 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche 911.
Compare all specifications:
| 1999 BMW Z9 | 2009 Porsche 911 | |
| Make | BMW | Porsche |
| Model | Z9 | 911 |
| Year Released | 1999 | 2009 |
| Engine Position | Front | Rear |
| Engine Size | 3901 cc | 3823 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 242 HP | 350 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 560 Nm | 400 Nm |
| Torque RPM | 1750 RPM | 4600 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 2 seats |
| Vehicle Length | 5010 mm | 4430 mm |
| Vehicle Width | 2010 mm | 1310 mm |
| Vehicle Height | 1360 mm | 1860 mm |
| Wheelbase Size | 3110 mm | 2360 mm |
