2009 Chevrolet Avalanche vs. 2007 GMC Sierra
To start off, 2009 Chevrolet Avalanche 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 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (312 HP @ 4400 RPM) has 2 more horse power than 2009 Chevrolet Avalanche. (310 HP @ 5200 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2009 Chevrolet Avalanche. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 537 kg more than 2009 Chevrolet Avalanche. 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 2009 Chevrolet Avalanche. 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 (506 Nm @ 4400 RPM) has 52 more torque (in Nm) than 2009 Chevrolet Avalanche. (454 Nm @ 4400 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Chevrolet Avalanche.
Compare all specifications:
| 2009 Chevrolet Avalanche | 2007 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Avalanche | Sierra |
| Year Released | 2009 | 2007 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5300 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 310 HP | 312 HP |
| Engine RPM | 5200 RPM | 4400 RPM |
| Torque | 454 Nm | 506 Nm |
| Torque RPM | 4400 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2141 kg | 2678 kg |
| Vehicle Length | 5630 mm | 5720 mm |
| Vehicle Width | 2020 mm | 2440 mm |
| Vehicle Height | 1950 mm | 1930 mm |
| Wheelbase Size | 3310 mm | 3380 mm |
| Fuel Consumption Overall | 14.7 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 117 L | 129 L |
