1973 GMC Suburban vs. 1956 Riley RM A
To start off, 1973 GMC Suburban is newer by 17 year(s). Which means there will be less support and parts availability for 1956 Riley RM A. In addition, the cost of maintenance, including insurance, on 1956 Riley RM A would be higher. At 5,733 cc (8 cylinders), 1973 GMC Suburban is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1973 GMC Suburban weights approximately 1065 kg more than 1956 Riley RM A.
Because 1973 GMC Suburban is four wheel drive (4WD), it will have significant more traction and grip than 1956 Riley RM A. 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. 1973 GMC Suburban has automatic transmission and 1956 Riley RM A has manual transmission. 1956 Riley RM A will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1973 GMC Suburban will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 GMC Suburban | 1956 Riley RM A | |
| Make | GMC | Riley |
| Model | Suburban | RM A |
| Year Released | 1973 | 1956 |
| Engine Size | 5733 cc | 1495 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 153 HP | 0 HP |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 2300 kg | 1235 kg |
| Vehicle Length | 5480 mm | 4560 mm |
| Vehicle Width | 1950 mm | 1620 mm |
| Vehicle Height | 1800 mm | 1550 mm |
| Wheelbase Size | 3300 mm | 2870 mm |
