2005 Alfa Romeo 166 vs. 2006 Alfa Romeo 147
To start off, 2006 Alfa Romeo 147 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 166 would be higher. At 2,959 cc (6 cylinders), 2005 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 166 (217 HP @ 6300 RPM) has 113 more horse power than 2006 Alfa Romeo 147. (104 HP @ 5600 RPM). In normal driving conditions, 2005 Alfa Romeo 166 should accelerate faster than 2006 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 166 weights approximately 320 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, 2005 Alfa Romeo 166 (265 Nm @ 5000 RPM) has 125 more torque (in Nm) than 2006 Alfa Romeo 147. (140 Nm @ 4200 RPM). This means 2005 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 147. 2005 Alfa Romeo 166 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. 2005 Alfa Romeo 166 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 166 | 2006 Alfa Romeo 147 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 166 | 147 |
| Year Released | 2005 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 104 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 265 Nm | 140 Nm |
| Torque RPM | 5000 RPM | 4200 RPM |
| Engine Bore Size | 93 mm | 82.1 mm |
| Engine Stroke Size | 72.6 mm | 75.7 mm |
| Engine Compression Ratio | 10.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 8.9 seconds | 11.3 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 | 1585 kg | 1265 kg |
| Vehicle Length | 4730 mm | 4230 mm |
| Vehicle Width | 1810 mm | 1740 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2710 mm | 2550 mm |
| Fuel Consumption Overall | 13 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 72 L | 60 L |
