2003 Chevrolet Silverado vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Chevrolet Silverado. In addition, the cost of maintenance, including insurance, on 2003 Chevrolet Silverado would be higher. At 5,358 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (295 HP @ 5200 RPM) has 102 more horse power than 2003 Chevrolet Silverado. (193 HP @ 4600 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2003 Chevrolet Silverado.
Let's talk about torque, 2006 GMC Sierra (454 Nm @ 4000 RPM) has 100 more torque (in Nm) than 2003 Chevrolet Silverado. (354 Nm @ 2800 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Chevrolet Silverado.
Compare all specifications:
| 2003 Chevrolet Silverado | 2006 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Silverado | Sierra |
| Year Released | 2003 | 2006 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4293 cc | 5358 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 193 HP | 295 HP |
| Engine RPM | 4600 RPM | 5200 RPM |
| Torque | 354 Nm | 454 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Engine Bore Size | 102 mm | 96 mm |
| Engine Stroke Size | 88 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Number of Seats | 3 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 5170 mm | 5850 mm |
| Vehicle Width | 2000 mm | 2000 mm |
| Vehicle Height | 1810 mm | 1810 mm |
| Wheelbase Size | 3030 mm | 3650 mm |
| Fuel Tank Capacity | 68 L | 98 L |
