2003 Peugeot 407 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 Peugeot 407. In addition, the cost of maintenance, including insurance, on 2003 Peugeot 407 would be higher. At 2,230 cc (4 cylinders), 2004 Peugeot 406 is equipped with a bigger engine. In terms of performance, 2004 Peugeot 406 (156 HP @ 5650 RPM) has 22 more horse power than 2003 Peugeot 407. (134 HP @ 6000 RPM) In normal driving conditions, 2004 Peugeot 406 should accelerate faster than 2003 Peugeot 407. With that said, vehicle weight also plays an important factor in acceleration. 2003 Peugeot 407 weights approximately 12 kg more than 2004 Peugeot 406.
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 (217 Nm @ 3900 RPM) has 27 more torque (in Nm) than 2003 Peugeot 407. (190 Nm @ 4100 RPM). This means 2004 Peugeot 406 will have an easier job in driving up hills or pulling heavy equipment than 2003 Peugeot 407.
Compare all specifications:
| 2003 Peugeot 407 | 2004 Peugeot 406 | |
| Make | Peugeot | Peugeot |
| Model | 407 | 406 |
| Year Released | 2003 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2230 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 156 HP |
| Engine RPM | 6000 RPM | 5650 RPM |
| Torque | 190 Nm | 217 Nm |
| Torque RPM | 4100 RPM | 3900 RPM |
| Engine Bore Size | 85 mm | 86.1 mm |
| Engine Stroke Size | 88 mm | 96 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1446 kg | 1434 kg |
| Vehicle Length | 4680 mm | 4630 mm |
| Vehicle Width | 1820 mm | 1790 mm |
| Vehicle Height | 1450 mm | 1370 mm |
| Wheelbase Size | 2730 mm | 2610 mm |
| Fuel Tank Capacity | 45 L | 70 L |
