2008 Chevrolet Impala vs. 2012 GMC Sierra
To start off, 2012 GMC Sierra is newer by 4 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), 2012 GMC Sierra is equipped with a bigger engine. In terms of performance, 2012 GMC Sierra (353 HP @ 5400 RPM) has 142 more horse power than 2008 Chevrolet Impala. (211 HP @ 5800 RPM) In normal driving conditions, 2012 GMC Sierra should accelerate faster than 2008 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2012 GMC Sierra weights approximately 1589 kg more than 2008 Chevrolet Impala. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 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, 2012 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, 2012 GMC Sierra (506 Nm @ 4400 RPM) has 216 more torque (in Nm) than 2008 Chevrolet Impala. (290 Nm @ 4000 RPM). This means 2012 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 | 2012 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Impala | Sierra |
| Year Released | 2008 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 3505 cc | 5999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 211 HP | 353 HP |
| Engine RPM | 5800 RPM | 5400 RPM |
| Torque | 290 Nm | 506 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 3 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1075 kg | 2664 kg |
| Vehicle Length | 5100 mm | 5710 mm |
| Vehicle Width | 1860 mm | 2040 mm |
| Vehicle Height | 1500 mm | 1940 mm |
| Wheelbase Size | 2810 mm | 3380 mm |
| Fuel Consumption Overall | 10.7 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 64 L | 129 L |
