2005 GMC Sierra vs. 2011 Chevrolet Avalanche
To start off, 2011 Chevrolet Avalanche is newer by 6 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 5,359 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 Chevrolet Avalanche (311 HP) has 16 more horse power than 2005 GMC Sierra. (295 HP) In normal driving conditions, 2011 Chevrolet Avalanche should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 115 kg more than 2011 Chevrolet Avalanche.
Because 2011 Chevrolet Avalanche is four wheel drive (4WD), it will have significant more traction and grip than 2005 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2011 Chevrolet Avalanche 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, both vehicles can yield 454 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2005 GMC Sierra | 2011 Chevrolet Avalanche | |
| Make | GMC | Chevrolet |
| Model | Sierra | Avalanche |
| Year Released | 2005 | 2011 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5359 cc | 5300 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 295 HP | 311 HP |
| Torque | 454 Nm | 454 Nm |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2315 kg | 2200 kg |
| Vehicle Length | 5850 mm | 5630 mm |
| Vehicle Width | 2000 mm | 2020 mm |
| Vehicle Height | 1810 mm | 1950 mm |
| Wheelbase Size | 3650 mm | 3310 mm |
| Fuel Consumption | 11.2 L/100km | 11.8 L/100km |
| Fuel Consumption City | 13.1 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 98 L | 117 L |
