2008 Chevrolet Avalanche vs. 2007 GMC Sierra
To start off, 2008 Chevrolet Avalanche is newer by 1 year(s). Which means there will be less support and parts availability for 2007 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2007 GMC Sierra would be higher. At 5,998 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (345 HP @ 5200 RPM) has 25 more horse power than 2008 Chevrolet Avalanche. (320 HP @ 5200 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2008 Chevrolet Avalanche.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2008 Chevrolet Avalanche. In wet, icy, snow, or gravel driving conditions, 2007 GMC Sierra 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, 2007 GMC Sierra (515 Nm @ 4000 RPM) has 54 more torque (in Nm) than 2008 Chevrolet Avalanche. (461 Nm @ 4200 RPM). This means 2007 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 | 2007 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Avalanche | Sierra |
| Year Released | 2008 | 2007 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5300 cc | 5998 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 320 HP | 345 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 461 Nm | 515 Nm |
| Torque RPM | 4200 RPM | 4000 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 5630 mm | 5850 mm |
| Vehicle Width | 2020 mm | 2000 mm |
| Vehicle Height | 1950 mm | 1910 mm |
| Wheelbase Size | 3310 mm | 3650 mm |
| Fuel Consumption | 11.2 L/100km | 14 L/100km |
| Fuel Consumption City | 15.7 L/100km | 17 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 15.8 L/100km |
| Fuel Tank Capacity | 117 L | 98 L |
