2003 Alfa Romeo 156 vs. 2004 Peugeot 406
To start off, 2004 Peugeot 406 is newer by 1 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 2,946 cc (6 cylinders), 2004 Peugeot 406 is equipped with a bigger engine. In terms of performance, 2004 Peugeot 406 (204 HP @ 6000 RPM) has 66 more horse power than 2003 Alfa Romeo 156. (138 HP @ 6200 RPM) In normal driving conditions, 2004 Peugeot 406 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Peugeot 406 weights approximately 220 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.
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, 2004 Peugeot 406 (285 Nm @ 3750 RPM) has 121 more torque (in Nm) than 2003 Alfa Romeo 156. (164 Nm @ 3900 RPM). This means 2004 Peugeot 406 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 | 2004 Peugeot 406 | |
| Make | Alfa Romeo | Peugeot |
| Model | 156 | 406 |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1774 cc | 2946 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 204 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 164 Nm | 285 Nm |
| Torque RPM | 3900 RPM | 3750 RPM |
| Engine Bore Size | 82 mm | 87 mm |
| Engine Stroke Size | 82.7 mm | 82.6 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 208 km/hour | 240 km/hour |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1340 kg | 1560 kg |
| Vehicle Length | 4440 mm | 4630 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1370 mm |
| Wheelbase Size | 2600 mm | 2730 mm |
| Fuel Consumption Overall | 8.5 L/100km | 10 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
