2006 Alfa Romeo 147 vs. 2009 Alpina B5
To start off, 2009 Alpina B5 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 147 would be higher. At 4,397 cc (8 cylinders), 2009 Alpina B5 is equipped with a bigger engine. In terms of performance, 2009 Alpina B5 (493 HP @ 5500 RPM) has 345 more horse power than 2006 Alfa Romeo 147. (148 HP @ 4000 RPM) In normal driving conditions, 2009 Alpina B5 should accelerate faster than 2006 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B5 weights approximately 445 kg more than 2006 Alfa Romeo 147. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 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 2009 Alpina B5. However, in wet, icy, snow, or gravel driving conditions, 2006 Alfa Romeo 147, 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, 2009 Alpina B5 (700 Nm @ 4250 RPM) has 395 more torque (in Nm) than 2006 Alfa Romeo 147. (305 Nm @ 2000 RPM). This means 2009 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 147. 2009 Alpina B5 has automatic transmission and 2006 Alfa Romeo 147 has manual transmission. 2006 Alfa Romeo 147 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Alpina B5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Alfa Romeo 147 | 2009 Alpina B5 | |
| Make | Alfa Romeo | Alpina |
| Model | 147 | B5 |
| Year Released | 2006 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 4397 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 493 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 305 Nm | 700 Nm |
| Torque RPM | 2000 RPM | 4250 RPM |
| Engine Bore Size | 82.1 mm | 92 mm |
| Engine Stroke Size | 90.4 mm | 82.7 mm |
| Engine Compression Ratio | 18.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 8.8 seconds | 4.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1365 kg | 1810 kg |
| Vehicle Length | 4230 mm | 4850 mm |
| Vehicle Width | 1740 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1500 mm |
| Wheelbase Size | 2550 mm | 2890 mm |
| Fuel Consumption Overall | 5.9 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 60 L | 70 L |
