2003 Alfa Romeo 156 vs. 2005 BMW 330
To start off, 2005 BMW 330 is newer by 2 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 2,977 cc (6 cylinders), 2005 BMW 330 is equipped with a bigger engine. In terms of performance, 2005 BMW 330 (215 HP @ 7400 RPM) has 97 more horse power than 2003 Alfa Romeo 156. (118 HP @ 6200 RPM) In normal driving conditions, 2005 BMW 330 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 330 weights approximately 225 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, 2005 BMW 330 (290 Nm) has 144 more torque (in Nm) than 2003 Alfa Romeo 156. (146 Nm). This means 2005 BMW 330 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 | 2005 BMW 330 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | 330 |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2977 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 118 HP | 215 HP |
| Engine RPM | 6200 RPM | 7400 RPM |
| Torque | 146 Nm | 290 Nm |
| Engine Compression Ratio | 10.3:1 | 10.2:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1265 kg | 1490 kg |
| Vehicle Length | 4440 mm | 4480 mm |
| Vehicle Width | 1750 mm | 1750 mm |
| Vehicle Height | 1440 mm | 1420 mm |
| Wheelbase Size | 2600 mm | 2730 mm |
| Fuel Consumption | 6.4 L/100km | 7.8 L/100km |
| Fuel Consumption City | 11.4 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 8.2 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
