2005 Alfa Romeo 156 vs. 2007 Peugeot 407
To start off, 2007 Peugeot 407 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 2,946 cc, 2007 Peugeot 407 is equipped with a bigger engine. In terms of performance, 2007 Peugeot 407 (208 HP @ 6000 RPM) has 23 more horse power than 2005 Alfa Romeo 156. (185 HP @ 5000 RPM) In normal driving conditions, 2007 Peugeot 407 should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 Peugeot 407 weights approximately 197 kg more than 2005 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Peugeot 407 (290 Nm @ 3750 RPM) has 69 more torque (in Nm) than 2005 Alfa Romeo 156. (221 Nm @ 5000 RPM). This means 2007 Peugeot 407 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2007 Peugeot 407 | |
| Make | Alfa Romeo | Peugeot |
| Model | 156 | 407 |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 2946 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 208 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 221 Nm | 290 Nm |
| Torque RPM | 5000 RPM | 3750 RPM |
| Engine Bore Size | 88 mm | 87.1 mm |
| Engine Stroke Size | 68.3 mm | 82.6 mm |
| Engine Compression Ratio | 10.3:1 | 10.9:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1687 kg |
| Vehicle Length | 4730 mm | 4820 mm |
| Vehicle Width | 1820 mm | 1410 mm |
| Vehicle Height | 1420 mm | 1870 mm |
| Wheelbase Size | 2600 mm | 2730 mm |
| Fuel Consumption Overall | 11.8 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 72 L | 67 L |
