1999 BMW Z8 vs. 2008 Porsche 911
To start off, 2008 Porsche 911 is newer by 9 year(s). Which means there will be less support and parts availability for 1999 BMW Z8. In addition, the cost of maintenance, including insurance, on 1999 BMW Z8 would be higher. At 4,939 cc (8 cylinders), 1999 BMW Z8 is equipped with a bigger engine. In terms of performance, 2008 Porsche 911 (405 HP @ 6000 RPM) has 5 more horse power than 1999 BMW Z8. (400 HP @ 6600 RPM) In normal driving conditions, 2008 Porsche 911 should accelerate faster than 1999 BMW Z8. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW Z8 weights approximately 45 kg more than 2008 Porsche 911.
Because 2008 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1999 BMW Z8. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Porsche 911 (620 Nm @ 2700 RPM) has 120 more torque (in Nm) than 1999 BMW Z8. (500 Nm @ 3800 RPM). This means 2008 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW Z8.
Compare all specifications:
| 1999 BMW Z8 | 2008 Porsche 911 | |
| Make | BMW | Porsche |
| Model | Z8 | 911 |
| Year Released | 1999 | 2008 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4939 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 400 HP | 405 HP |
| Engine RPM | 6600 RPM | 6000 RPM |
| Torque | 500 Nm | 620 Nm |
| Torque RPM | 3800 RPM | 2700 RPM |
| Engine Bore Size | 94 mm | 100 mm |
| Engine Stroke Size | 89 mm | 76.4 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 310 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 4.2 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1585 kg | 1540 kg |
| Vehicle Length | 4410 mm | 4790 mm |
| Vehicle Width | 1840 mm | 1860 mm |
| Vehicle Height | 1320 mm | 1710 mm |
| Wheelbase Size | 2510 mm | 2360 mm |
| Fuel Consumption Overall | 14.5 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 73 L | 64 L |
