2004 BMW 730 vs. 2007 Saturn Aura
To start off, 2007 Saturn Aura is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW 730. In addition, the cost of maintenance, including insurance, on 2004 BMW 730 would be higher. At 3,598 cc (6 cylinders), 2007 Saturn Aura is equipped with a bigger engine. In terms of performance, 2007 Saturn Aura (252 HP @ 5800 RPM) has 27 more horse power than 2004 BMW 730. (225 HP @ 6000 RPM) In normal driving conditions, 2007 Saturn Aura should accelerate faster than 2004 BMW 730.
Because 2004 BMW 730 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2004 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2007 Saturn Aura, being front wheel drive (FWD), will offer much better control with better grip. 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 Saturn Aura (340 Nm @ 3100 RPM) has 40 more torque (in Nm) than 2004 BMW 730. (300 Nm @ 3500 RPM). This means 2007 Saturn Aura will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 730.
Compare all specifications:
| 2004 BMW 730 | 2007 Saturn Aura | |
| Make | BMW | Saturn |
| Model | 730 | Aura |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 3598 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 225 HP | 252 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 300 Nm | 340 Nm |
| Torque RPM | 3500 RPM | 3100 RPM |
| Engine Bore Size | 84 mm | 94 mm |
| Engine Stroke Size | 90 mm | 85.6 mm |
| Engine Compression Ratio | 10.2:1 | 10.2:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5040 mm | 4830 mm |
| Vehicle Width | 1910 mm | 1790 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 3000 mm | 2860 mm |
