1999 BMW M5 vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 BMW M5. In addition, the cost of maintenance, including insurance, on 1999 BMW M5 would be higher. At 4,900 cc (8 cylinders), 1999 BMW M5 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (414 HP @ 6000 RPM) has 13 more horse power than 1999 BMW M5. (401 HP @ 7400 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1999 BMW M5. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 130 kg more than 1999 BMW M5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1999 BMW M5. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Porsche 911 (560 Nm) has 61 more torque (in Nm) than 1999 BMW M5. (499 Nm). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW M5.
Compare all specifications:
| 1999 BMW M5 | 2005 Porsche 911 | |
| Make | BMW | Porsche |
| Model | M5 | 911 |
| Year Released | 1999 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4900 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 401 HP | 414 HP |
| Engine RPM | 7400 RPM | 6000 RPM |
| Torque | 499 Nm | 560 Nm |
| Top Speed | 295 km/hour | 305 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1740 kg |
| Vehicle Length | 4780 mm | 4440 mm |
| Vehicle Width | 1810 mm | 1840 mm |
| Vehicle Height | 1440 mm | 1300 mm |
| Wheelbase Size | 2730 mm | 2360 mm |
| Fuel Tank Capacity | 70 L | 64 L |
