2006 Alfa Romeo 147 vs. 2003 Alfa Romeo 166
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 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 3,177 cc (6 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (247 HP @ 6200 RPM) has 129 more horse power than 2006 Alfa Romeo 147. (118 HP @ 4000 RPM) In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2006 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 268 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 166 (289 Nm @ 4800 RPM) has 9 more torque (in Nm) than 2006 Alfa Romeo 147. (280 Nm @ 2000 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 147.
Compare all specifications:
| 2006 Alfa Romeo 147 | 2003 Alfa Romeo 166 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 147 | 166 |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 3177 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 118 HP | 247 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 280 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 | 18.5:1 | 10.5:1 |
| Top Speed | 193 km/hour | 245 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 7.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1272 kg | 1540 kg |
| Vehicle Length | 4230 mm | 4730 mm |
| Vehicle Width | 1740 mm | 1810 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2550 mm | 2550 mm |
| Fuel Consumption Overall | 5.8 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 60 L | 69 L |
