2003 Alfa Romeo 156 vs. 2006 BMW 325
To start off, 2006 BMW 325 is newer by 3 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), 2006 BMW 325 is equipped with a bigger engine. In terms of performance, 2006 BMW 325 (189 HP @ 6000 RPM) has 70 more horse power than 2003 Alfa Romeo 156. (119 HP @ 6200 RPM) In normal driving conditions, 2006 BMW 325 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 325 weights approximately 310 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.
Because 2006 BMW 325 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, 2006 BMW 325 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, 2006 BMW 325 (245 Nm @ 3500 RPM) has 99 more torque (in Nm) than 2003 Alfa Romeo 156. (146 Nm @ 4200 RPM). This means 2006 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 | 2006 BMW 325 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | 325 |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2492 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 119 HP | 189 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 146 Nm | 245 Nm |
| Torque RPM | 4200 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 75.6 mm | 75 mm |
| Engine Compression Ratio | 10.3:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 200 km/hour | 231 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1340 kg | 1650 kg |
| Vehicle Length | 4440 mm | 4480 mm |
| Vehicle Width | 1750 mm | 1750 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2600 mm | 2730 mm |
| Fuel Consumption Overall | 8.2 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
