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 43 more horse power than 2006 Alfa Romeo 156. (149 HP @ 6300 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 105 kg more than 2003 BMW 325.
Let's talk about torque, 2003 BMW 325 (245 Nm @ 3500 RPM) has 64 more torque (in Nm) than 2006 Alfa Romeo 156. (181 Nm @ 3800 RPM). This means 2003 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 156. 2006 Alfa Romeo 156 has automatic transmission and 2003 BMW 325 has manual transmission. 2003 BMW 325 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Alfa Romeo 156 will be easier to drive especially in heavy traffic.
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 | 1970 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 149 HP | 192 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 181 Nm | 245 Nm |
| Torque RPM | 3800 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 84.1 mm |
| Engine Stroke Size | 91 mm | 75 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Acceleration 0-100mph | 8.8 seconds | 7.1 seconds |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1585 kg | 1480 kg |
| Vehicle Length | 4440 mm | 4270 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1410 mm |
| Wheelbase Size | 2600 mm | 2730 mm |
| Fuel Consumption Overall | 8.7 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
