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 2,490 cc (6 cylinders), 2004 BMW 325 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (189 HP @ 6300 RPM) has 5 more horse power than 2004 BMW 325. (184 HP @ 7250 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 2004 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 325 weights approximately 160 kg more than 2003 Alfa Romeo 156.
Let's talk about torque, 2004 BMW 325 (237 Nm) has 19 more torque (in Nm) than 2003 Alfa Romeo 156. (218 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 | 2387 cc | 2490 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 184 HP |
| Engine RPM | 6300 RPM | 7250 RPM |
| Torque | 218 Nm | 237 Nm |
| 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 | 1435 kg | 1595 kg |
| Vehicle Length | 4440 mm | 4480 mm |
| Vehicle Width | 1750 mm | 1750 mm |
| Vehicle Height | 1440 mm | 1420 mm |
| Wheelbase Size | 2710 mm | 2730 mm |
| Fuel Consumption Highway | 8.6 L/100km | 8.1 L/100km |
| Fuel Consumption City | 17.5 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 11.9 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
