2006 Alfa Romeo 156 vs. 2003 BMW 325
To start off, 2006 Alfa Romeo 156 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW 325. In addition, the cost of maintenance, including insurance, on 2003 BMW 325 would be higher. At 2,494 cc (6 cylinders), 2003 BMW 325 is equipped with a bigger engine. In terms of performance, 2003 BMW 325 (192 HP @ 6000 RPM) has 19 more horse power than 2006 Alfa Romeo 156. (173 HP @ 4000 RPM) In normal driving conditions, 2003 BMW 325 should accelerate faster than 2006 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 156 weights approximately 30 kg more than 2003 BMW 325.
Let's talk about torque, 2006 Alfa Romeo 156 (385 Nm @ 2000 RPM) has 140 more torque (in Nm) than 2003 BMW 325. (245 Nm @ 3500 RPM). This means 2006 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 325.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2003 BMW 325 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | 325 |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2494 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 173 HP | 192 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 385 Nm | 245 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 84.1 mm |
| Engine Stroke Size | 90.4 mm | 75 mm |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Acceleration 0-100mph | 9.7 seconds | 7.1 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1510 kg | 1480 kg |
| Vehicle Length | 4440 mm | 4270 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1410 mm |
| Wheelbase Size | 2550 mm | 2730 mm |
| Fuel Consumption Overall | 6.6 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
