2007 Alfa Romeo 156 vs. 2005 BMW 325
To start off, 2007 Alfa Romeo 156 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 325. In addition, the cost of maintenance, including insurance, on 2005 BMW 325 would be higher. At 2,497 cc (6 cylinders), 2005 BMW 325 is equipped with a bigger engine. In terms of performance, 2005 BMW 325 (215 HP @ 6500 RPM) has 41 more horse power than 2007 Alfa Romeo 156. (174 HP @ 4000 RPM) In normal driving conditions, 2005 BMW 325 should accelerate faster than 2007 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 325 weights approximately 109 kg more than 2007 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, 2007 Alfa Romeo 156 (385 Nm @ 2000 RPM) has 135 more torque (in Nm) than 2005 BMW 325. (250 Nm @ 2750 RPM). This means 2007 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2007 Alfa Romeo 156 | 2005 BMW 325 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | 325 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2497 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 215 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 385 Nm | 250 Nm |
| Torque RPM | 2000 RPM | 2750 RPM |
| Engine Bore Size | 82 mm | 82 mm |
| Engine Stroke Size | 90.4 mm | 78.8 mm |
| Engine Compression Ratio | 18.5:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1385 kg | 1494 kg |
| Vehicle Length | 4440 mm | 4480 mm |
| Vehicle Width | 1750 mm | 1820 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2600 mm | 2730 mm |
| Fuel Tank Capacity | 63 L | 63 L |
