2003 Alfa Romeo 156 vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 4 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 2,495 cc (6 cylinders), 2007 BMW 525 is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (215 HP @ 6500 RPM) has 77 more horse power than 2003 Alfa Romeo 156. (138 HP @ 6200 RPM) In normal driving conditions, 2007 BMW 525 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 135 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 2007 BMW 525 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2003 Alfa Romeo 156, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 BMW 525 (250 Nm @ 2900 RPM) has 86 more torque (in Nm) than 2003 Alfa Romeo 156. (164 Nm @ 3900 RPM). This means 2007 BMW 525 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 | 2007 BMW 525 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | 525 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1774 cc | 2495 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 215 HP |
| Engine RPM | 6200 RPM | 6500 RPM |
| Torque | 164 Nm | 250 Nm |
| Torque RPM | 3900 RPM | 2900 RPM |
| Engine Bore Size | 82 mm | 82 mm |
| Engine Stroke Size | 82.7 mm | 78.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 208 km/hour | 245 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1340 kg | 1475 kg |
| Vehicle Length | 4440 mm | 4850 mm |
| Vehicle Width | 1750 mm | 1470 mm |
| Vehicle Height | 1400 mm | 1850 mm |
| Wheelbase Size | 2600 mm | 2890 mm |
| Fuel Consumption Overall | 8.5 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
