2007 Alpina B5 vs. 2003 Saab 03-Sep
To start off, 2007 Alpina B5 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Saab 03-Sep. In addition, the cost of maintenance, including insurance, on 2003 Saab 03-Sep 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 375 more horse power than 2003 Saab 03-Sep. (118 HP @ 4000 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2003 Saab 03-Sep. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alpina B5 weights approximately 192 kg more than 2003 Saab 03-Sep. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2003 Saab 03-Sep, 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 420 more torque (in Nm) than 2003 Saab 03-Sep. (280 Nm @ 1500 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2003 Saab 03-Sep. 2007 Alpina B5 has automatic transmission and 2003 Saab 03-Sep has manual transmission. 2003 Saab 03-Sep will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Alpina B5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alpina B5 | 2003 Saab 03-Sep | |
| Make | Alpina | Saab |
| Model | B5 | 03-Sep |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2170 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 118 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 700 Nm | 280 Nm |
| Torque RPM | 4250 RPM | 1500 RPM |
| Engine Compression Ratio | 9.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 314 km/hour | 200 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 11 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1722 kg | 1530 kg |
| Vehicle Length | 4850 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2890 mm | 2710 mm |
| Fuel Consumption Overall | 12.3 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 70 L | 58 L |
