2006 Alfa Romeo 159 vs. 2004 Alfa Romeo 156
To start off, 2006 Alfa Romeo 159 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 3,177 cc (6 cylinders), 2004 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 156 (238 HP @ 6200 RPM) has 41 more horse power than 2006 Alfa Romeo 159. (197 HP @ 4000 RPM) In normal driving conditions, 2004 Alfa Romeo 156 should accelerate faster than 2006 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 159 weights approximately 220 kg more than 2004 Alfa Romeo 156.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2006 Alfa Romeo 159 (400 Nm @ 2000 RPM) has 111 more torque (in Nm) than 2004 Alfa Romeo 156. (289 Nm @ 4800 RPM). This means 2006 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156.
Compare all specifications:
| 2006 Alfa Romeo 159 | 2004 Alfa Romeo 156 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 159 | 156 |
| Year Released | 2006 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2386 cc | 3177 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 238 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 400 Nm | 289 Nm |
| Torque RPM | 2000 RPM | 4800 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 90.4 mm | 78 mm |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 228 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 6.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1705 kg | 1485 kg |
| Vehicle Length | 4670 mm | 4440 mm |
| Vehicle Width | 1830 mm | 1770 mm |
| Vehicle Height | 1420 mm | 1410 mm |
| Wheelbase Size | 2710 mm | 2600 mm |
| Fuel Consumption Overall | 6.8 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
