2005 BMW M3 vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW M3. In addition, the cost of maintenance, including insurance, on 2005 BMW M3 would be higher. At 3,824 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (351 HP @ 6600 RPM) has 31 more horse power than 2005 BMW M3. (320 HP @ 7400 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2005 BMW M3. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW M3 weights approximately 215 kg more than 2007 Porsche 911.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW M3. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Porsche 911 (400 Nm) has 63 more torque (in Nm) than 2005 BMW M3. (337 Nm). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW M3.
Compare all specifications:
| 2005 BMW M3 | 2007 Porsche 911 | |
| Make | BMW | Porsche |
| Model | M3 | 911 |
| Year Released | 2005 | 2007 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3244 cc | 3824 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 351 HP |
| Engine RPM | 7400 RPM | 6600 RPM |
| Torque | 337 Nm | 400 Nm |
| Engine Bore Size | 87 mm | 99 mm |
| Engine Stroke Size | 91 mm | 82.8 mm |
| Engine Compression Ratio | 11.5:1 | 11.8:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1690 kg | 1475 kg |
| Vehicle Length | 4500 mm | 4430 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1310 mm |
| Wheelbase Size | 2740 mm | 2360 mm |
| Fuel Consumption Overall | 13.1 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 63 L | 67 L |
