1999 GMC Suburban 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 Suburban. In addition, the cost of maintenance, including insurance, on 1999 GMC Suburban would be higher. At 7,400 cc (8 cylinders), 1999 GMC Suburban is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (285 HP) has 35 more horse power than 1999 GMC Suburban. (250 HP) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1999 GMC Suburban. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 308 kg more than 1999 GMC Suburban. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1999 GMC Suburban (455 Nm) has 55 more torque (in Nm) than 2006 GMC Sierra. (400 Nm). This means 1999 GMC Suburban will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Sierra.
Compare all specifications:
| 1999 GMC Suburban | 2006 GMC Sierra | |
| Make | GMC | GMC |
| Model | Suburban | Sierra |
| Year Released | 1999 | 2006 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 7400 cc | 4802 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 250 HP | 285 HP |
| Torque | 455 Nm | 400 Nm |
| Drive Type | Rear | Rear |
| Number of Seats | 9 seats | 6 seats |
| Vehicle Weight | 1955 kg | 2263 kg |
| Vehicle Length | 5590 mm | 5850 mm |
| Vehicle Width | 1950 mm | 2000 mm |
| Vehicle Height | 1790 mm | 1850 mm |
| Wheelbase Size | 3350 mm | 3650 mm |
