2005 Chevrolet Avalanche vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Avalanche. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Avalanche would be higher. At 8,128 cc (8 cylinders), 2005 Chevrolet Avalanche is equipped with a bigger engine. In terms of performance, 2005 Chevrolet Avalanche (320 HP @ 5600 RPM) has 5 more horse power than 2007 GMC Sierra. (315 HP @ 5200 RPM). In normal driving conditions, 2005 Chevrolet Avalanche should accelerate faster than 2007 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Avalanche weights approximately 549 kg more than 2007 GMC Sierra. 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, 2005 Chevrolet Avalanche (597 Nm) has 139 more torque (in Nm) than 2007 GMC Sierra. (458 Nm). This means 2005 Chevrolet Avalanche will have an easier job in driving up hills or pulling heavy equipment than 2007 GMC Sierra.
Compare all specifications:
| 2005 Chevrolet Avalanche | 2007 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Avalanche | Sierra |
| Year Released | 2005 | 2007 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 8128 cc | 5357 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 320 HP | 315 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 597 Nm | 458 Nm |
| Engine Bore Size | 108 mm | 96 mm |
| Engine Stroke Size | 111 mm | 92 mm |
| Engine Compression Ratio | 9.1:1 | 9.4:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2984 kg | 2435 kg |
| Vehicle Length | 5640 mm | 6320 mm |
| Vehicle Width | 2030 mm | 2040 mm |
| Vehicle Height | 1880 mm | 1880 mm |
| Wheelbase Size | 3310 mm | 4010 mm |
| Fuel Tank Capacity | 140 L | 129 L |
