2011 Chevrolet Impala vs. 2011 GMC Sierra
To start off, both 2011 Chevrolet Impala and 2011 GMC Sierra were released in the same year (2011). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,999 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (353 HP @ 5400 RPM) has 142 more horse power than 2011 Chevrolet Impala. (211 HP @ 5800 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 2011 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 822 kg more than 2011 Chevrolet Impala. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2011 Chevrolet Impala. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 GMC Sierra (506 Nm @ 4400 RPM) has 213 more torque (in Nm) than 2011 Chevrolet Impala. (293 Nm @ 4000 RPM). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2011 Chevrolet Impala.
Compare all specifications:
| 2011 Chevrolet Impala | 2011 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Impala | Sierra |
| Year Released | 2011 | 2011 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3500 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 | 293 Nm | 506 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Fuel Type | Flex Fuel | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1613 kg | 2435 kg |
| Vehicle Length | 5090 mm | 6340 mm |
| Vehicle Width | 1852 mm | 2040 mm |
| Vehicle Height | 1491 mm | 1950 mm |
| Wheelbase Size | 2807 mm | 4010 mm |
| Fuel Tank Capacity | 64 L | 129 L |
