2005 Chevrolet Impala vs. 2008 Chevrolet Avalanche
To start off, 2008 Chevrolet Avalanche is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Impala 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 @ 5200 RPM) has 129 more horse power than 2005 Chevrolet Impala. (181 HP @ 5600 RPM) In normal driving conditions, 2008 Chevrolet Avalanche should accelerate faster than 2005 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Impala weights approximately 276 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 Chevrolet Impala. 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 176 more torque (in Nm) than 2005 Chevrolet Impala. (278 Nm). This means 2008 Chevrolet Avalanche will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Impala.
Compare all specifications:
| 2005 Chevrolet Impala | 2008 Chevrolet Avalanche | |
| Make | Chevrolet | Chevrolet |
| Model | Impala | Avalanche |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3343 cc | 5299 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 181 HP | 310 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 278 Nm | 454 Nm |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1537 kg | 1261 kg |
| Vehicle Length | 5090 mm | 5630 mm |
| Vehicle Width | 1860 mm | 2020 mm |
| Vehicle Height | 1460 mm | 1950 mm |
| Wheelbase Size | 2880 mm | 3310 mm |
| Fuel Consumption | 7.4 L/100km | 15.7 L/100km |
| Fuel Consumption City | 11.2 L/100km | 21.4 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 18.1 L/100km |
| Fuel Tank Capacity | 64 L | 117 L |
