2005 Alpina B3 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 Alpina B3. In addition, the cost of maintenance, including insurance, on 2005 Alpina B3 would be higher. At 3,598 cc (6 cylinders), 2007 Saturn Aura is equipped with a bigger engine. In terms of performance, 2005 Alpina B3 (301 HP @ 6300 RPM) has 49 more horse power than 2007 Saturn Aura. (252 HP @ 5800 RPM). In normal driving conditions, 2005 Alpina B3 should accelerate faster than 2007 Saturn Aura.
Because 2005 Alpina B3 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 Alpina B3. 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, 2005 Alpina B3 (362 Nm @ 4800 RPM) has 22 more torque (in Nm) than 2007 Saturn Aura. (340 Nm @ 3100 RPM). This means 2005 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Saturn Aura.
Compare all specifications:
| 2005 Alpina B3 | 2007 Saturn Aura | |
| Make | Alpina | Saturn |
| Model | B3 | Aura |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 3598 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 301 HP | 252 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 362 Nm | 340 Nm |
| Torque RPM | 4800 RPM | 3100 RPM |
| Engine Bore Size | 87.1 mm | 94 mm |
| Engine Stroke Size | 93.9 mm | 85.6 mm |
| Engine Compression Ratio | 10.0:1 | 10.2:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 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 |
