2008 GMC Sierra vs. 2006 GMC Envoy
To start off, 2008 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2006 GMC Envoy. In addition, the cost of maintenance, including insurance, on 2006 GMC Envoy would be higher. At 5,999 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (353 HP @ 5400 RPM) has 53 more horse power than 2006 GMC Envoy. (300 HP @ 5200 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 2006 GMC Envoy. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 294 kg more than 2008 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, 2008 GMC Sierra (506 Nm @ 4400 RPM) has 59 more torque (in Nm) than 2006 GMC Envoy. (447 Nm @ 4000 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Envoy.
Compare all specifications:
| 2008 GMC Sierra | 2006 GMC Envoy | |
| Make | GMC | GMC |
| Model | Sierra | Envoy |
| Year Released | 2008 | 2006 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 5359 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 353 HP | 300 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 506 Nm | 447 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Number of Seats | 6 seats | 7 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2141 kg | 2435 kg |
| Vehicle Length | 6580 mm | 5280 mm |
| Vehicle Width | 2040 mm | 1900 mm |
| Vehicle Height | 1960 mm | 1920 mm |
| Wheelbase Size | 4250 mm | 3280 mm |
| Fuel Consumption Overall | 13.8 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 129 L | 95 L |
