2007 BMW M3 vs. 2005 Porsche 911
To start off, 2007 BMW M3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 3,594 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 BMW M3 (338 HP @ 7900 RPM) has 18 more horse power than 2005 Porsche 911. (320 HP @ 6800 RPM). In normal driving conditions, 2007 BMW M3 should accelerate faster than 2005 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M3 weights approximately 205 kg more than 2005 Porsche 911. 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 2007 BMW M3. 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 (370 Nm @ 4250 RPM) has 5 more torque (in Nm) than 2007 BMW M3. (365 Nm @ 4900 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW M3.
Compare all specifications:
| 2007 BMW M3 | 2005 Porsche 911 | |
| Make | BMW | Porsche |
| Model | M3 | 911 |
| Year Released | 2007 | 2005 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3245 cc | 3594 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 320 HP |
| Engine RPM | 7900 RPM | 6800 RPM |
| Torque | 365 Nm | 370 Nm |
| Torque RPM | 4900 RPM | 4250 RPM |
| Engine Bore Size | 87 mm | 96 mm |
| Engine Stroke Size | 91 mm | 82.8 mm |
| Engine Compression Ratio | 11.5:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 280 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 5.1 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1655 kg | 1450 kg |
| Vehicle Length | 4500 mm | 4430 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1320 mm |
| Wheelbase Size | 2740 mm | 2360 mm |
| Fuel Consumption Highway | 10.2 L/100km | 8.5 L/100km |
| Fuel Consumption Overall | 12.1 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
