2006 BMW 523 vs. 2007 Saturn Aura
To start off, 2007 Saturn Aura is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW 523. In addition, the cost of maintenance, including insurance, on 2006 BMW 523 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 77 more horse power than 2006 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2007 Saturn Aura should accelerate faster than 2006 BMW 523.
Because 2006 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 2006 BMW 523. 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 110 more torque (in Nm) than 2006 BMW 523. (230 Nm @ 3500 RPM). This means 2007 Saturn Aura will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 523. 2007 Saturn Aura has automatic transmission and 2006 BMW 523 has manual transmission. 2006 BMW 523 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Saturn Aura will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 523 | 2007 Saturn Aura | |
| Make | BMW | Saturn |
| Model | 523 | Aura |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3598 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 175 HP | 252 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 230 Nm | 340 Nm |
| Torque RPM | 3500 RPM | 3100 RPM |
| Engine Bore Size | 78.8 mm | 94 mm |
| Engine Stroke Size | 82 mm | 85.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.2:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4850 mm | 4830 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2890 mm | 2860 mm |
