2004 BMW 730 vs. 2003 Porsche 911
To start off, 2004 BMW 730 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Porsche 911. In addition, the cost of maintenance, including insurance, on 2003 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 2003 Porsche 911 is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (443 HP @ 6000 RPM) has 218 more horse power than 2004 BMW 730. (225 HP @ 6000 RPM) In normal driving conditions, 2003 Porsche 911 should accelerate faster than 2004 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 730 weights approximately 130 kg more than 2003 Porsche 911.
Because 2003 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 730. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Porsche 911 (621 Nm @ 2700 RPM) has 321 more torque (in Nm) than 2004 BMW 730. (300 Nm @ 3500 RPM). This means 2003 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 730. 2004 BMW 730 has automatic transmission and 2003 Porsche 911 has manual transmission. 2003 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 BMW 730 | 2003 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 730 | 911 |
| Year Released | 2004 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2979 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 225 HP | 443 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 300 Nm | 621 Nm |
| Torque RPM | 3500 RPM | 2700 RPM |
| Engine Bore Size | 84 mm | 100 mm |
| Engine Stroke Size | 90 mm | 76.4 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1790 kg | 1660 kg |
| Vehicle Length | 5040 mm | 4440 mm |
| Vehicle Width | 1910 mm | 1840 mm |
| Vehicle Height | 1500 mm | 1300 mm |
| Wheelbase Size | 3000 mm | 2360 mm |
| Fuel Tank Capacity | 63 L | 64 L |
