1973 GMC Suburban vs. 2008 Infiniti QX56
To start off, 2008 Infiniti QX56 is newer by 35 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, 2008 Infiniti QX56 (320 HP @ 5200 RPM) has 167 more horse power than 1973 GMC Suburban. (153 HP @ 4000 RPM) In normal driving conditions, 2008 Infiniti QX56 should accelerate faster than 1973 GMC Suburban. With that said, vehicle weight also plays an important factor in acceleration. 1973 GMC Suburban weights approximately 980 kg more than 2008 Infiniti QX56.
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, 2008 Infiniti QX56 (533 Nm @ 3400 RPM) has 188 more torque (in Nm) than 1973 GMC Suburban. (345 Nm @ 2400 RPM). This means 2008 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1973 GMC Suburban.
Compare all specifications:
| 1973 GMC Suburban | 2008 Infiniti QX56 | |
| Make | GMC | Infiniti |
| Model | Suburban | QX56 |
| Year Released | 1973 | 2008 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 5733 cc | 5550 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 153 HP | 320 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 345 Nm | 533 Nm |
| Torque RPM | 2400 RPM | 3400 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 2300 kg | 1320 kg |
| Vehicle Length | 5480 mm | 5260 mm |
| Vehicle Width | 1950 mm | 2030 mm |
| Vehicle Height | 1800 mm | 1960 mm |
| Wheelbase Size | 3300 mm | 3140 mm |
