2005 Chevrolet Impala vs. 2005 GMC Sierra
To start off, both 2005 Chevrolet Impala and 2005 GMC Sierra were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (301 HP) has 120 more horse power than 2005 Chevrolet Impala. (181 HP) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2005 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1141 kg more than 2005 Chevrolet Impala. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra 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, 2005 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, 2005 GMC Sierra (488 Nm) has 210 more torque (in Nm) than 2005 Chevrolet Impala. (278 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Impala.
Compare all specifications:
| 2005 Chevrolet Impala | 2005 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Impala | Sierra |
| Year Released | 2005 | 2005 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3343 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 181 HP | 301 HP |
| Torque | 278 Nm | 488 Nm |
| Engine Bore Size | 91 mm | 102 mm |
| Engine Stroke Size | 84 mm | 92 mm |
| Engine Compression Ratio | 9.5:1 | 9.4:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 6 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1537 kg | 2678 kg |
| Vehicle Length | 5090 mm | 5650 mm |
| Vehicle Width | 1860 mm | 2450 mm |
| Vehicle Height | 1460 mm | 1950 mm |
| Wheelbase Size | 2880 mm | 3380 mm |
| Fuel Tank Capacity | 64 L | 129 L |
