1999 Chevrolet Silverado vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Chevrolet Silverado. In addition, the cost of maintenance, including insurance, on 1999 Chevrolet Silverado would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (312 HP @ 4400 RPM) has 30 more horse power than 1999 Chevrolet Silverado. (282 HP @ 5600 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1999 Chevrolet Silverado. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 873 kg more than 1999 Chevrolet Silverado. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2007 GMC Sierra (506 Nm @ 4400 RPM) has 105 more torque (in Nm) than 1999 Chevrolet Silverado. (401 Nm @ 4000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Chevrolet Silverado.
Compare all specifications:
| 1999 Chevrolet Silverado | 2007 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Silverado | Sierra |
| Year Released | 1999 | 2007 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4801 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 282 HP | 312 HP |
| Engine RPM | 5600 RPM | 4400 RPM |
| Torque | 401 Nm | 506 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Bore Size | 96 mm | 102 mm |
| Engine Stroke Size | 83 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1805 kg | 2678 kg |
| Vehicle Length | 5170 mm | 5720 mm |
| Vehicle Width | 2000 mm | 2440 mm |
| Vehicle Height | 1810 mm | 1930 mm |
| Wheelbase Size | 3030 mm | 3380 mm |
