2003 Alfa Romeo 166 vs. 2007 Subaru Impreza
To start off, 2007 Subaru Impreza is newer by 4 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 1,994 cc (4 cylinders), 2007 Subaru Impreza is equipped with a bigger engine. In terms of performance, 2007 Subaru Impreza (158 HP @ 6400 RPM) has 10 more horse power than 2003 Alfa Romeo 166. (148 HP @ 6500 RPM) In normal driving conditions, 2007 Subaru Impreza should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 135 kg more than 2007 Subaru Impreza.
Because 2007 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2007 Subaru Impreza will offer significantly more control. 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, 2007 Subaru Impreza (187 Nm @ 3200 RPM) has 6 more torque (in Nm) than 2003 Alfa Romeo 166. (181 Nm @ 3800 RPM). This means 2007 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2007 Subaru Impreza | |
| Make | Alfa Romeo | Subaru |
| Model | 166 | Impreza |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 158 HP |
| Engine RPM | 6500 RPM | 6400 RPM |
| Torque | 181 Nm | 187 Nm |
| Torque RPM | 3800 RPM | 3200 RPM |
| Engine Bore Size | 83 mm | 92 mm |
| Engine Stroke Size | 91 mm | 75 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 211 km/hour | 210 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 10.2 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1510 kg | 1375 kg |
| Vehicle Height | 1420 mm | 1740 mm |
| Wheelbase Size | 2710 mm | 2680 mm |
| Fuel Consumption Overall | 9.9 L/100km | 9.8 L/100km |
