2006 Alfa Romeo 156 vs. 2009 Alfa Romeo 159
To start off, 2009 Alfa Romeo 159 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 156 would be higher. At 2,387 cc (5 cylinders), 2009 Alfa Romeo 159 is equipped with a bigger engine. In terms of performance, 2009 Alfa Romeo 159 (208 HP @ 4000 RPM) has 60 more horse power than 2006 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2009 Alfa Romeo 159 should accelerate faster than 2006 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alfa Romeo 159 weights approximately 115 kg more than 2006 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Alfa Romeo 159. In wet, icy, snow, or gravel driving conditions, 2006 Alfa Romeo 156 will offer significantly more control. 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 Alfa Romeo 159 (400 Nm @ 1500 RPM) has 95 more torque (in Nm) than 2006 Alfa Romeo 156. (305 Nm @ 2000 RPM). This means 2009 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 156.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2009 Alfa Romeo 159 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 156 | 159 |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2387 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 208 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 305 Nm | 400 Nm |
| Torque RPM | 2000 RPM | 1500 RPM |
| Engine Bore Size | 82 mm | 82 mm |
| Engine Stroke Size | 90.4 mm | 90.4 mm |
| Engine Compression Ratio | 18.5:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 192 km/hour | 231 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 8.1 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1605 kg | 1720 kg |
| Vehicle Length | 4450 mm | 4670 mm |
| Vehicle Width | 1770 mm | 1840 mm |
| Vehicle Height | 1480 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
| Fuel Consumption Overall | 7.3 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 50 L | 70 L |
