2003 Alfa Romeo 156 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 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 2,492 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 31 more horse power than 2007 Subaru Impreza. (158 HP @ 6400 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 2007 Subaru Impreza. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 110 kg more than 2007 Subaru Impreza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 156. 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, 2003 Alfa Romeo 156 (218 Nm @ 5000 RPM) has 32 more torque (in Nm) than 2007 Subaru Impreza. (186 Nm @ 3600 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2007 Subaru Impreza. 2007 Subaru Impreza has automatic transmission and 2003 Alfa Romeo 156 has manual transmission. 2003 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Subaru Impreza will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2007 Subaru Impreza | |
| Make | Alfa Romeo | Subaru |
| Model | 156 | Impreza |
| Year Released | 2003 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1992 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 158 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 218 Nm | 186 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Engine Bore Size | 88 mm | 92 mm |
| Engine Stroke Size | 68.3 mm | 75 mm |
| Engine Compression Ratio | 10.3:1 | 11.0:1 |
| Top Speed | 230 km/hour | 191 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 12.7 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1410 kg | 1300 kg |
| Vehicle Length | 4450 mm | 4450 mm |
| Vehicle Width | 1750 mm | 1750 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2600 mm | 2530 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
