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 5,357 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (315 HP @ 5200 RPM) has 160 more horse power than 2003 Peugeot 407. (155 HP @ 5650 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 899 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 (458 Nm @ 4400 RPM) has 253 more torque (in Nm) than 2003 Peugeot 407. (205 Nm @ 3900 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Peugeot 407. 2007 GMC Sierra has automatic transmission and 2003 Peugeot 407 has manual transmission. 2003 Peugeot 407 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
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 | 5357 cc | 2179 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 315 HP | 155 HP |
| Engine RPM | 5200 RPM | 5650 RPM |
| Torque | 458 Nm | 205 Nm |
| Torque RPM | 4400 RPM | 3900 RPM |
| Engine Bore Size | 96 mm | 86 mm |
| Engine Stroke Size | 92 mm | 96 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2435 kg | 1536 kg |
| Vehicle Length | 6320 mm | 4770 mm |
| Vehicle Width | 2040 mm | 1820 mm |
| Vehicle Height | 1880 mm | 1490 mm |
| Wheelbase Size | 4010 mm | 2710 mm |
| Fuel Consumption Highway | 10.7 L/100km | 6.8 L/100km |
| Fuel Consumption City | 14.7 L/100km | 12.9 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 9 L/100km |
| Fuel Tank Capacity | 129 L | 45 L |
