2008 Chevrolet Impala vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2008 Chevrolet Impala would be higher. At 5,999 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (353 HP @ 5400 RPM) has 50 more horse power than 2008 Chevrolet Impala. (303 HP @ 5600 RPM) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 2008 Chevrolet Impala.
Because 2009 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2008 Chevrolet Impala. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 GMC Sierra (506 Nm @ 4400 RPM) has 68 more torque (in Nm) than 2008 Chevrolet Impala. (438 Nm @ 4000 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Chevrolet Impala.
Compare all specifications:
| 2008 Chevrolet Impala | 2009 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Impala | Sierra |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5670 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 303 HP | 353 HP |
| Engine RPM | 5600 RPM | 5400 RPM |
| Torque | 438 Nm | 506 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5100 mm | 6580 mm |
| Vehicle Width | 1860 mm | 2040 mm |
| Vehicle Height | 1500 mm | 1960 mm |
| Wheelbase Size | 2810 mm | 4250 mm |
| Fuel Consumption Overall | 12.4 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 64 L | 129 L |
