2007 GMC Sierra vs. 2003 Peugeot 407
To start off, 2007 GMC Sierra is newer by 4 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 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (353 HP @ 5400 RPM) has 219 more horse power than 2003 Peugeot 407. (134 HP @ 6000 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2003 Peugeot 407. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1342 kg more than 2003 Peugeot 407. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2003 Peugeot 407. In wet, icy, snow, or gravel driving conditions, 2007 GMC Sierra will offer significantly more control. 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 GMC Sierra (506 Nm @ 4400 RPM) has 316 more torque (in Nm) than 2003 Peugeot 407. (190 Nm @ 4100 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Peugeot 407.
Compare all specifications:
| 2007 GMC Sierra | 2003 Peugeot 407 | |
| Make | GMC | Peugeot |
| Model | Sierra | 407 |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 134 HP |
| Engine RPM | 5400 RPM | 6000 RPM |
| Torque | 506 Nm | 190 Nm |
| Torque RPM | 4400 RPM | 4100 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2788 kg | 1446 kg |
| Vehicle Length | 6340 mm | 4680 mm |
| Vehicle Width | 2040 mm | 1820 mm |
| Vehicle Height | 1950 mm | 1450 mm |
| Wheelbase Size | 4010 mm | 2730 mm |
| Fuel Tank Capacity | 129 L | 45 L |
