2002 GMC Sierra vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 4 year(s). Which means there will be less support and parts availability for 2002 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2002 GMC Sierra would be higher. At 5,967 cc (8 cylinders), 2002 GMC Sierra is equipped with a bigger engine. In terms of performance, 2002 GMC Sierra (321 HP @ 5000 RPM) has 20 more horse power than 2006 GMC Sierra. (301 HP @ 4400 RPM). In normal driving conditions, 2002 GMC Sierra should accelerate faster than 2006 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 165 kg more than 2002 GMC Sierra.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2006 GMC Sierra (488 Nm @ 4000 RPM) has 117 more torque (in Nm) than 2002 GMC Sierra. (371 Nm @ 4000 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2002 GMC Sierra.
Compare all specifications:
| 2002 GMC Sierra | 2006 GMC Sierra | |
| Make | GMC | GMC |
| Model | Sierra | Sierra |
| Year Released | 2002 | 2006 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5967 cc | 5965 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 321 HP | 301 HP |
| Engine RPM | 5000 RPM | 4400 RPM |
| Torque | 371 Nm | 488 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Drive Type | 4WD | 4WD |
| Number of Seats | 6 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2270 kg | 2435 kg |
| Vehicle Length | 5790 mm | 6570 mm |
| Vehicle Width | 2000 mm | 2030 mm |
| Vehicle Height | 1850 mm | 1960 mm |
| Wheelbase Size | 3650 mm | 4250 mm |
| Fuel Consumption Overall | 13.1 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 117 L | 129 L |
