2008 Chevrolet Avalanche vs. 2005 GMC Sierra
To start off, 2008 Chevrolet Avalanche is newer by 3 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 5,299 cc (8 cylinders), 2008 Chevrolet Avalanche is equipped with a bigger engine. In terms of performance, 2008 Chevrolet Avalanche (310 HP) has 25 more horse power than 2005 GMC Sierra. (285 HP). In normal driving conditions, 2008 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 899 kg more than 2008 Chevrolet Avalanche.
Because 2008 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, 2008 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, 2008 Chevrolet Avalanche (454 Nm) has 54 more torque (in Nm) than 2005 GMC Sierra. (400 Nm). This means 2008 Chevrolet Avalanche will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 2008 Chevrolet Avalanche | 2005 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Avalanche | Sierra |
| Year Released | 2008 | 2005 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5299 cc | 4802 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 310 HP | 285 HP |
| Torque | 454 Nm | 400 Nm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1261 kg | 2160 kg |
| Vehicle Length | 5630 mm | 5710 mm |
| Vehicle Width | 2020 mm | 2000 mm |
| Vehicle Height | 1950 mm | 1810 mm |
| Wheelbase Size | 3310 mm | 3380 mm |
| Fuel Consumption Highway | 15.7 L/100km | 11.2 L/100km |
| Fuel Consumption City | 21.4 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 18.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 117 L | 129 L |
