2005 BMW 320 vs. 2007 Saturn Aura
To start off, 2007 Saturn Aura is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 320. In addition, the cost of maintenance, including insurance, on 2005 BMW 320 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 104 more horse power than 2005 BMW 320. (148 HP @ 6200 RPM) In normal driving conditions, 2007 Saturn Aura should accelerate faster than 2005 BMW 320.
Because 2005 BMW 320 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 2005 BMW 320. 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 140 more torque (in Nm) than 2005 BMW 320. (200 Nm @ 3600 RPM). This means 2007 Saturn Aura will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 320.
Compare all specifications:
| 2005 BMW 320 | 2007 Saturn Aura | |
| Make | BMW | Saturn |
| Model | 320 | Aura |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 3598 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 252 HP |
| Engine RPM | 6200 RPM | 5800 RPM |
| Torque | 200 Nm | 340 Nm |
| Torque RPM | 3600 RPM | 3100 RPM |
| Engine Bore Size | 84 mm | 94 mm |
| Engine Stroke Size | 90 mm | 85.6 mm |
| Engine Compression Ratio | 10.5:1 | 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 | 4480 mm | 4830 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2860 mm |
