2009 BMW 523 vs. 2008 Saturn Aura
To start off, 2009 BMW 523 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Saturn Aura. In addition, the cost of maintenance, including insurance, on 2008 Saturn Aura would be higher. At 3,474 cc (6 cylinders), 2008 Saturn Aura is equipped with a bigger engine. In terms of performance, 2008 Saturn Aura (219 HP @ 5900 RPM) has 44 more horse power than 2009 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2008 Saturn Aura should accelerate faster than 2009 BMW 523.
Because 2009 BMW 523 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 2009 BMW 523. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Saturn Aura (297 Nm @ 3200 RPM) has 67 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 2008 Saturn Aura will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523.
Compare all specifications:
| 2009 BMW 523 | 2008 Saturn Aura | |
| Make | BMW | Saturn |
| Model | 523 | Aura |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3474 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 219 HP |
| Engine RPM | 5800 RPM | 5900 RPM |
| Torque | 230 Nm | 297 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Engine Bore Size | 78.8 mm | 99.1 mm |
| Engine Stroke Size | 82 mm | 75.9 mm |
| Engine Compression Ratio | 11.0:1 | 9.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4850 mm | 4580 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
| Fuel Tank Capacity | 70 L | 61 L |
