2006 Alfa Romeo 166 vs. 2001 Alfa Romeo 147
To start off, 2006 Alfa Romeo 166 is newer by 5 year(s). Which means there will be less support and parts availability for 2001 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2001 Alfa Romeo 147 would be higher. At 2,387 cc (5 cylinders), 2006 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 166 (174 HP @ 4000 RPM) has 26 more horse power than 2001 Alfa Romeo 147. (148 HP @ 6400 RPM). In normal driving conditions, 2006 Alfa Romeo 166 should accelerate faster than 2001 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 166 weights approximately 310 kg more than 2001 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, 2006 Alfa Romeo 166 (385 Nm @ 2000 RPM) has 204 more torque (in Nm) than 2001 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 2006 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2001 Alfa Romeo 147.
Compare all specifications:
| 2006 Alfa Romeo 166 | 2001 Alfa Romeo 147 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 166 | 147 |
| Year Released | 2006 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1970 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 148 HP |
| Engine RPM | 4000 RPM | 6400 RPM |
| Torque | 385 Nm | 181 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1615 kg | 1305 kg |
| Vehicle Length | 4730 mm | 4180 mm |
| Vehicle Width | 1810 mm | 1740 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2710 mm | 2550 mm |
| Fuel Consumption Overall | 7.5 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 69 L | 60 L |
