1981 GMC Suburban vs. 2004 GMC Sierra
To start off, 2004 GMC Sierra is newer by 23 year(s). Which means there will be less support and parts availability for 1981 GMC Suburban. In addition, the cost of maintenance, including insurance, on 1981 GMC Suburban would be higher. At 6,210 cc (8 cylinders), 1981 GMC Suburban is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 171 more horse power than 1981 GMC Suburban. (129 HP) In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1981 GMC Suburban. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 335 kg more than 1981 GMC Suburban. 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, 2004 GMC Sierra (489 Nm) has 163 more torque (in Nm) than 1981 GMC Suburban. (326 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1981 GMC Suburban.
Compare all specifications:
| 1981 GMC Suburban | 2004 GMC Sierra | |
| Make | GMC | GMC |
| Model | Suburban | Sierra |
| Year Released | 1981 | 2004 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 6210 cc | 5965 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 129 HP | 300 HP |
| Torque | 326 Nm | 489 Nm |
| Drive Type | 4WD | 4WD |
| Vehicle Weight | 2395 kg | 2730 kg |
| Vehicle Length | 5480 mm | 6030 mm |
| Vehicle Width | 1950 mm | 2030 mm |
| Vehicle Height | 1800 mm | 1940 mm |
| Wheelbase Size | 3300 mm | 4250 mm |
