2007 Alpina B5 vs. 2008 Saturn Aura
To start off, 2008 Saturn Aura is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Alpina B5. In addition, the cost of maintenance, including insurance, on 2007 Alpina B5 would be higher. At 4,398 cc (8 cylinders), 2007 Alpina B5 is equipped with a bigger engine. In terms of performance, 2007 Alpina B5 (493 HP @ 5500 RPM) has 274 more horse power than 2008 Saturn Aura. (219 HP @ 5900 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2008 Saturn Aura.
Because 2007 Alpina B5 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 2007 Alpina B5. 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, 2007 Alpina B5 (700 Nm @ 4250 RPM) has 403 more torque (in Nm) than 2008 Saturn Aura. (297 Nm @ 3200 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2008 Saturn Aura.
Compare all specifications:
| 2007 Alpina B5 | 2008 Saturn Aura | |
| Make | Alpina | Saturn |
| Model | B5 | Aura |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3474 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 219 HP |
| Engine RPM | 5500 RPM | 5900 RPM |
| Torque | 700 Nm | 297 Nm |
| Torque RPM | 4250 RPM | 3200 RPM |
| Engine Bore Size | 92 mm | 99.1 mm |
| Engine Stroke Size | 82.7 mm | 75.9 mm |
| Engine Compression Ratio | 9.0:1 | 9.8:1 |
| Fuel Type | Gasoline - Premium | 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 |
