2008 Chevrolet Avalanche vs. 2008 GMC Sierra
To start off, both 2008 Chevrolet Avalanche and 2008 GMC Sierra were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,999 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (353 HP @ 5400 RPM) has 33 more horse power than 2008 Chevrolet Avalanche. (320 HP @ 5200 RPM) In normal driving conditions, 2008 GMC Sierra should accelerate faster than 2008 Chevrolet Avalanche. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 1174 kg more than 2008 Chevrolet Avalanche. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2008 GMC Sierra (506 Nm @ 4400 RPM) has 45 more torque (in Nm) than 2008 Chevrolet Avalanche. (461 Nm @ 4200 RPM). This means 2008 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 | 2008 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Avalanche | Sierra |
| Year Released | 2008 | 2008 |
| 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 | 320 HP | 353 HP |
| Engine RPM | 5200 RPM | 5400 RPM |
| Torque | 461 Nm | 506 Nm |
| Torque RPM | 4200 RPM | 4400 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1261 kg | 2435 kg |
| Vehicle Length | 5630 mm | 6340 mm |
| Vehicle Width | 2020 mm | 2040 mm |
| Vehicle Height | 1950 mm | 1950 mm |
| Wheelbase Size | 3310 mm | 4010 mm |
| Fuel Consumption Overall | 13.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 117 L | 129 L |
