2003 Alfa Romeo 156 vs. 2004 BMW 325
To start off, 2004 BMW 325 is newer by 1 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 2,491 cc (6 cylinders), 2004 BMW 325 is equipped with a bigger engine. In terms of performance, 2004 BMW 325 (189 HP @ 7400 RPM) has 51 more horse power than 2003 Alfa Romeo 156. (138 HP @ 6500 RPM) In normal driving conditions, 2004 BMW 325 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 325 weights approximately 445 kg more than 2003 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 BMW 325 (237 Nm) has 74 more torque (in Nm) than 2003 Alfa Romeo 156. (163 Nm). This means 2004 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2004 BMW 325 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | 325 |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1746 cc | 2491 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 189 HP |
| Engine RPM | 6500 RPM | 7400 RPM |
| Torque | 163 Nm | 237 Nm |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 82.7 mm | 75 mm |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1265 kg | 1710 kg |
| Vehicle Length | 4440 mm | 4480 mm |
| Vehicle Width | 1750 mm | 1750 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2710 mm | 2730 mm |
| Fuel Consumption | 6.4 L/100km | 9.1 L/100km |
| Fuel Consumption City | 12.1 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 8.5 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
