1990 Pontiac Grand Am vs. 1958 Riley 4
To start off, 1990 Pontiac Grand Am is newer by 32 year(s). Which means there will be less support and parts availability for 1958 Riley 4. In addition, the cost of maintenance, including insurance, on 1958 Riley 4 would be higher. At 1,996 cc (4 cylinders), 1990 Pontiac Grand Am is equipped with a bigger engine. In terms of performance, 1990 Pontiac Grand Am (163 HP @ 5600 RPM) has 100 more horse power than 1958 Riley 4. (63 HP @ 4800 RPM). In normal driving conditions, 1990 Pontiac Grand Am should accelerate faster than 1958 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1990 Pontiac Grand Am weights approximately 95 kg more than 1958 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1958 Riley 4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1958 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 1990 Pontiac Grand Am, being front wheel drive (FWD), will offer much better control with better grip. 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, 1990 Pontiac Grand Am (237 Nm @ 4000 RPM) has 122 more torque (in Nm) than 1958 Riley 4. (115 Nm @ 3300 RPM). This means 1990 Pontiac Grand Am will have an easier job in driving up hills or pulling heavy equipment than 1958 Riley 4.
Compare all specifications:
| 1990 Pontiac Grand Am | 1958 Riley 4 | |
| Make | Pontiac | Riley |
| Model | Grand Am | 4 |
| Year Released | 1990 | 1958 |
| Engine Position | Front | Front |
| Engine Size | 1996 cc | 1489 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 163 HP | 63 HP |
| Engine RPM | 5600 RPM | 4800 RPM |
| Torque | 237 Nm | 115 Nm |
| Torque RPM | 4000 RPM | 3300 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1235 kg | 1140 kg |
| Vehicle Length | 4520 mm | 4530 mm |
| Vehicle Width | 1710 mm | 1620 mm |
| Vehicle Height | 1340 mm | 1530 mm |
| Wheelbase Size | 2630 mm | 2530 mm |
