2009 GMC Envoy vs. 2007 GMC Sierra
To start off, 2009 GMC Envoy is newer by 2 year(s). Which means there will be less support and parts availability for 2007 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2007 GMC Sierra would be higher. At 5,997 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (353 HP @ 5400 RPM) has 68 more horse power than 2009 GMC Envoy. (285 HP @ 6000 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2009 GMC Envoy. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Envoy weights approximately 448 kg more than 2007 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, 2007 GMC Sierra (506 Nm @ 4400 RPM) has 131 more torque (in Nm) than 2009 GMC Envoy. (375 Nm @ 4600 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 GMC Envoy.
Compare all specifications:
| 2009 GMC Envoy | 2007 GMC Sierra | |
| Make | GMC | GMC |
| Model | Envoy | Sierra |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 5997 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 285 HP | 353 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 375 Nm | 506 Nm |
| Torque RPM | 4600 RPM | 4400 RPM |
| Engine Bore Size | 102 mm | 102 mm |
| Engine Stroke Size | 85.6 mm | 92 mm |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2730 kg | 2282 kg |
| Vehicle Length | 4870 mm | 5710 mm |
| Vehicle Width | 1900 mm | 2040 mm |
| Vehicle Height | 1830 mm | 1950 mm |
| Wheelbase Size | 2880 mm | 3380 mm |
| Fuel Consumption Overall | 14.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 83 L | 129 L |
