1999 GMC Sonoma vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 1999 GMC Sonoma. In addition, the cost of maintenance, including insurance, on 1999 GMC Sonoma would be higher. At 5,965 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (300 HP @ 4400 RPM) has 123 more horse power than 1999 GMC Sonoma. (177 HP @ 4400 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1999 GMC Sonoma. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 935 kg more than 1999 GMC Sonoma. 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, 2006 GMC Sierra (488 Nm @ 4000 RPM) has 156 more torque (in Nm) than 1999 GMC Sonoma. (332 Nm @ 2800 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 GMC Sonoma.
Compare all specifications:
| 1999 GMC Sonoma | 2006 GMC Sierra | |
| Make | GMC | GMC |
| Model | Sonoma | Sierra |
| Year Released | 1999 | 2006 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4293 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 300 HP |
| Engine RPM | 4400 RPM | 4400 RPM |
| Torque | 332 Nm | 488 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Drive Type | 4WD | 4WD |
| Vehicle Weight | 1500 kg | 2435 kg |
| Vehicle Length | 5210 mm | 6570 mm |
| Vehicle Width | 1730 mm | 2030 mm |
| Vehicle Height | 1600 mm | 1960 mm |
| Wheelbase Size | 3130 mm | 4250 mm |
