1986 Pontiac Grand Am vs. 1963 Riley 4
To start off, 1986 Pontiac Grand Am is newer by 23 year(s). Which means there will be less support and parts availability for 1963 Riley 4. In addition, the cost of maintenance, including insurance, on 1963 Riley 4 would be higher. At 2,471 cc (4 cylinders), 1986 Pontiac Grand Am is equipped with a bigger engine. In terms of performance, 1986 Pontiac Grand Am (90 HP) has 23 more horse power than 1963 Riley 4. (67 HP). In normal driving conditions, 1986 Pontiac Grand Am should accelerate faster than 1963 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1963 Riley 4 weights approximately 18 kg more than 1986 Pontiac Grand Am.
Because 1963 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 1963 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 1986 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, 1986 Pontiac Grand Am (179 Nm @ 2800 RPM) has 58 more torque (in Nm) than 1963 Riley 4. (121 Nm @ 2500 RPM). This means 1986 Pontiac Grand Am will have an easier job in driving up hills or pulling heavy equipment than 1963 Riley 4.
Compare all specifications:
| 1986 Pontiac Grand Am | 1963 Riley 4 | |
| Make | Pontiac | Riley |
| Model | Grand Am | 4 |
| Year Released | 1986 | 1963 |
| Engine Position | Front | Front |
| Engine Size | 2471 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 90 HP | 67 HP |
| Torque | 179 Nm | 121 Nm |
| Torque RPM | 2800 RPM | 2500 RPM |
| Engine Bore Size | 101.6 mm | 76.2 mm |
| Engine Stroke Size | 76.2 mm | 88.9 mm |
| Engine Compression Ratio | 9.0:1 | 8.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1130 kg | 1148 kg |
| Vehicle Length | 4520 mm | 4540 mm |
| Vehicle Width | 1710 mm | 1620 mm |
| Vehicle Height | 1340 mm | 1510 mm |
| Wheelbase Size | 2630 mm | 2530 mm |
