2008 Chevrolet Impala vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 3 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 4,800 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (302 HP @ 5600 RPM) has 91 more horse power than 2008 Chevrolet Impala. (211 HP @ 5800 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 2008 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 1236 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 2011 GMC Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2011 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 2008 Chevrolet Impala, being front wheel drive (FWD), will offer much better control with better grip. 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 (413 Nm @ 4600 RPM) has 123 more torque (in Nm) than 2008 Chevrolet Impala. (290 Nm @ 4000 RPM). This means 2011 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 | 2011 GMC Sierra | |
Make | Chevrolet | GMC |
Model | Impala | Sierra |
Year Released | 2008 | 2011 |
Engine Position | Front | Front |
Engine Size | 3505 cc | 4800 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 211 HP | 302 HP |
Engine RPM | 5800 RPM | 5600 RPM |
Torque | 290 Nm | 413 Nm |
Torque RPM | 4000 RPM | 4600 RPM |
Fuel Type | Gasoline | Flex Fuel |
Drive Type | Front | Rear |
Transmission Type | Automatic | 4-speed automatic |
Vehicle Weight | 1075 kg | 2311 kg |
Vehicle Length | 5100 mm | 5847 mm |
Vehicle Width | 1860 mm | 2032 mm |
Vehicle Height | 1500 mm | 1875 mm |
Wheelbase Size | 2810 mm | 3645 mm |
Fuel Consumption | 8.1 L/100km | 12.4 L/100km |
Fuel Consumption City | 13.1 L/100km | 16.8 L/100km |
Fuel Tank Capacity | 64 L | 98 L |