1977 GMC Suburban vs. 1973 GMC Suburban
To start off, 1977 GMC Suburban is newer by 4 year(s). Which means there will be less support and parts availability for 1973 GMC Suburban. In addition, the cost of maintenance, including insurance, on 1973 GMC Suburban would be higher. At 5,733 cc (8 cylinders), 1973 GMC Suburban is equipped with a bigger engine. In terms of performance, 1973 GMC Suburban (153 HP @ 4000 RPM) has 52 more horse power than 1977 GMC Suburban. (101 HP @ 3600 RPM) In normal driving conditions, 1973 GMC Suburban should accelerate faster than 1977 GMC Suburban. With that said, vehicle weight also plays an important factor in acceleration. 1973 GMC Suburban weights approximately 100 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, 1973 GMC Suburban (345 Nm @ 2400 RPM) has 103 more torque (in Nm) than 1977 GMC Suburban. (242 Nm @ 1600 RPM). This means 1973 GMC Suburban will have an easier job in driving up hills or pulling heavy equipment than 1977 GMC Suburban.
Compare all specifications:
| 1977 GMC Suburban | 1973 GMC Suburban | |
| Make | GMC | GMC |
| Model | Suburban | Suburban |
| Year Released | 1977 | 1973 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 4093 cc | 5733 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 101 HP | 153 HP |
| Engine RPM | 3600 RPM | 4000 RPM |
| Torque | 242 Nm | 345 Nm |
| Torque RPM | 1600 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 2200 kg | 2300 kg |
| Vehicle Length | 5480 mm | 5480 mm |
| Vehicle Width | 1950 mm | 1950 mm |
| Vehicle Height | 1800 mm | 1800 mm |
| Wheelbase Size | 3300 mm | 3300 mm |
