2008 Chevrolet Avalanche vs. 2006 GMC Sierra
To start off, 2008 Chevrolet Avalanche 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 5,965 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 Chevrolet Avalanche (320 HP @ 5200 RPM) has 20 more horse power than 2006 GMC Sierra. (300 HP @ 4400 RPM). In normal driving conditions, 2008 Chevrolet Avalanche should accelerate faster than 2006 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 236 kg more than 2008 Chevrolet Avalanche.
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, 2006 GMC Sierra (488 Nm @ 4000 RPM) has 27 more torque (in Nm) than 2008 Chevrolet Avalanche. (461 Nm @ 4200 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Chevrolet Avalanche.
Compare all specifications:
| 2008 Chevrolet Avalanche | 2006 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Avalanche | Sierra |
| Year Released | 2008 | 2006 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5300 cc | 5965 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 320 HP | 300 HP |
| Engine RPM | 5200 RPM | 4400 RPM |
| Torque | 461 Nm | 488 Nm |
| Torque RPM | 4200 RPM | 4000 RPM |
| Drive Type | 4WD | 4WD |
| Number of Seats | 6 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2200 kg | 2436 kg |
| Vehicle Length | 5630 mm | 6570 mm |
| Vehicle Width | 2020 mm | 2450 mm |
| Vehicle Height | 1950 mm | 1970 mm |
| Wheelbase Size | 3310 mm | 4250 mm |
| Fuel Consumption Overall | 13.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 117 L | 132 L |
