1991 Chevrolet Suburban vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Chevrolet Suburban. In addition, the cost of maintenance, including insurance, on 1991 Chevrolet Suburban 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 92 more horse power than 1991 Chevrolet Suburban. (208 HP @ 4000 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1991 Chevrolet Suburban.
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 81 more torque (in Nm) than 1991 Chevrolet Suburban. (407 Nm @ 2800 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1991 Chevrolet Suburban.
Compare all specifications:
| 1991 Chevrolet Suburban | 2006 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Suburban | Sierra |
| Year Released | 1991 | 2006 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5733 cc | 5965 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 208 HP | 300 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 407 Nm | 488 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Drive Type | 4WD | 4WD |
| Vehicle Length | 5480 mm | 5710 mm |
| Vehicle Width | 1950 mm | 2450 mm |
| Vehicle Height | 1800 mm | 1950 mm |
| Wheelbase Size | 3300 mm | 3380 mm |
