2003 Alfa Romeo 156 vs. 2006 Alfa Romeo 147
To start off, 2006 Alfa Romeo 147 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 2,387 cc (6 cylinders), 2003 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (189 HP @ 6300 RPM) has 41 more horse power than 2006 Alfa Romeo 147. (148 HP @ 6300 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 2006 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 110 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.
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, 2003 Alfa Romeo 156 (218 Nm @ 5000 RPM) has 37 more torque (in Nm) than 2006 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 147. 2003 Alfa Romeo 156 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. 2003 Alfa Romeo 156 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2006 Alfa Romeo 147 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 156 | 147 |
| Year Released | 2003 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1968 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 148 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 218 Nm | 181 Nm |
| Torque RPM | 5000 RPM | 3800 RPM |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Top Speed | 222 km/hour | 208 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 9.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1435 kg | 1325 kg |
| Vehicle Length | 4440 mm | 4180 mm |
| Vehicle Width | 1750 mm | 1740 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2550 mm |
| Fuel Consumption Overall | 11.9 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
