2006 GMC Sierra vs. 2008 GMC Envoy
To start off, 2008 GMC Envoy is newer by 2 year(s). Which means there will be less support and parts availability for 2006 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2006 GMC Sierra would be higher. At 5,358 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (295 HP @ 5200 RPM) has 10 more horse power than 2008 GMC Envoy. (285 HP @ 6000 RPM). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2008 GMC Envoy.
Let's talk about torque, 2006 GMC Sierra (454 Nm @ 4000 RPM) has 80 more torque (in Nm) than 2008 GMC Envoy. (374 Nm @ 4600 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 GMC Envoy.
Compare all specifications:
| 2006 GMC Sierra | 2008 GMC Envoy | |
| Make | GMC | GMC |
| Model | Sierra | Envoy |
| Year Released | 2006 | 2008 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 5358 cc | 4161 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 295 HP | 285 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 454 Nm | 374 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Compression Ratio | 9.5:1 | 10.3:1 |
| Fuel Type | Gasoline / Electric Hybrid | Gasoline |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5850 mm | 4870 mm |
| Vehicle Width | 2000 mm | 1900 mm |
| Vehicle Height | 1810 mm | 1830 mm |
| Wheelbase Size | 3650 mm | 2880 mm |
| Fuel Consumption | 11.2 L/100km | 11.4 L/100km |
| Fuel Consumption City | 13.1 L/100km | 15.8 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 98 L | 83 L |
