1971 Alfa Romeo Spider vs. 1963 Riley 4
To start off, 1971 Alfa Romeo Spider is newer by 8 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 1,962 cc (4 cylinders), 1971 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1971 Alfa Romeo Spider (131 HP) has 64 more horse power than 1963 Riley 4. (67 HP). In normal driving conditions, 1971 Alfa Romeo Spider should accelerate faster than 1963 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1963 Riley 4 weights approximately 108 kg more than 1971 Alfa Romeo Spider.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1971 Alfa Romeo Spider (190 Nm @ 3500 RPM) has 69 more torque (in Nm) than 1963 Riley 4. (121 Nm @ 2500 RPM). This means 1971 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1963 Riley 4.
Compare all specifications:
| 1971 Alfa Romeo Spider | 1963 Riley 4 | |
| Make | Alfa Romeo | Riley |
| Model | Spider | 4 |
| Year Released | 1971 | 1963 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1962 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 131 HP | 67 HP |
| Torque | 190 Nm | 121 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 76.2 mm |
| Engine Stroke Size | 88.5 mm | 88.9 mm |
| Engine Compression Ratio | 9.0:1 | 8.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1040 kg | 1148 kg |
| Vehicle Length | 4130 mm | 4540 mm |
| Vehicle Width | 1640 mm | 1620 mm |
| Vehicle Height | 1300 mm | 1510 mm |
| Wheelbase Size | 2260 mm | 2530 mm |
