1977 GMC Suburban vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 36 year(s). Which means there will be less support and parts availability for 1977 GMC Suburban. In addition, the cost of maintenance, including insurance, on 1977 GMC Suburban would be higher. At 4,800 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (298 HP @ 5600 RPM) has 197 more horse power than 1977 GMC Suburban. (101 HP @ 3600 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 1977 GMC Suburban. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 254 kg more than 1977 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, 2013 GMC Sierra (414 Nm @ 4600 RPM) has 172 more torque (in Nm) than 1977 GMC Suburban. (242 Nm @ 1600 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 GMC Suburban.
Compare all specifications:
| 1977 GMC Suburban | 2013 GMC Sierra | |
| Make | GMC | GMC |
| Model | Suburban | Sierra |
| Year Released | 1977 | 2013 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4093 cc | 4800 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 101 HP | 298 HP |
| Engine RPM | 3600 RPM | 5600 RPM |
| Torque | 242 Nm | 414 Nm |
| Torque RPM | 1600 RPM | 4600 RPM |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | 4-speed automatic |
| Vehicle Weight | 2200 kg | 2454 kg |
| Vehicle Length | 5480 mm | 5847 mm |
| Vehicle Width | 1950 mm | 2032 mm |
| Vehicle Height | 1800 mm | 1872 mm |
| Wheelbase Size | 3300 mm | 3645 mm |
