1956 Buick 40 vs. 1973 GMC Suburban
To start off, 1973 GMC Suburban is newer by 17 year(s). Which means there will be less support and parts availability for 1956 Buick 40. In addition, the cost of maintenance, including insurance, on 1956 Buick 40 would be higher. At 5,733 cc (8 cylinders), 1973 GMC Suburban is equipped with a bigger engine. In terms of performance, 1956 Buick 40 (252 HP @ 4400 RPM) has 99 more horse power than 1973 GMC Suburban. (153 HP @ 4000 RPM). In normal driving conditions, 1956 Buick 40 should accelerate faster than 1973 GMC Suburban. With that said, vehicle weight also plays an important factor in acceleration. 1973 GMC Suburban weights approximately 710 kg more than 1956 Buick 40.
Because 1973 GMC Suburban is four wheel drive (4WD), it will have significant more traction and grip than 1956 Buick 40. In wet, icy, snow, or gravel driving conditions, 1973 GMC Suburban will offer significantly more control. 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, 1956 Buick 40 (462 Nm @ 3200 RPM) has 117 more torque (in Nm) than 1973 GMC Suburban. (345 Nm @ 2400 RPM). This means 1956 Buick 40 will have an easier job in driving up hills or pulling heavy equipment than 1973 GMC Suburban.
Compare all specifications:
| 1956 Buick 40 | 1973 GMC Suburban | |
| Make | Buick | GMC |
| Model | 40 | Suburban |
| Year Released | 1956 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 5279 cc | 5733 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 153 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 462 Nm | 345 Nm |
| Torque RPM | 3200 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Vehicle Weight | 1590 kg | 2300 kg |
| Vehicle Width | 1950 mm | 1950 mm |
| Wheelbase Size | 3110 mm | 3300 mm |
