1986 Alfa Romeo 75 vs. 1965 Riley 4
To start off, 1986 Alfa Romeo 75 is newer by 21 year(s). Which means there will be less support and parts availability for 1965 Riley 4. In addition, the cost of maintenance, including insurance, on 1965 Riley 4 would be higher. At 1,779 cc (4 cylinders), 1986 Alfa Romeo 75 is equipped with a bigger engine. In terms of performance, 1986 Alfa Romeo 75 (153 HP) has 86 more horse power than 1965 Riley 4. (67 HP). In normal driving conditions, 1986 Alfa Romeo 75 should accelerate faster than 1965 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1986 Alfa Romeo 75 weights approximately 58 kg more than 1965 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1986 Alfa Romeo 75 (230 Nm @ 2600 RPM) has 109 more torque (in Nm) than 1965 Riley 4. (121 Nm @ 2500 RPM). This means 1986 Alfa Romeo 75 will have an easier job in driving up hills or pulling heavy equipment than 1965 Riley 4.
Compare all specifications:
| 1986 Alfa Romeo 75 | 1965 Riley 4 | |
| Make | Alfa Romeo | Riley |
| Model | 75 | 4 |
| Year Released | 1986 | 1965 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1620 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 153 HP | 67 HP |
| Torque | 230 Nm | 121 Nm |
| Torque RPM | 2600 RPM | 2500 RPM |
| Engine Bore Size | 80 mm | 76.2 mm |
| Engine Stroke Size | 88.5 mm | 88.9 mm |
| Engine Compression Ratio | 7.5:1 | 8.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1206 kg | 1148 kg |
| Vehicle Length | 4340 mm | 4540 mm |
| Vehicle Width | 1640 mm | 1620 mm |
| Vehicle Height | 1360 mm | 1530 mm |
| Wheelbase Size | 2460 mm | 2530 mm |
| Fuel Tank Capacity | 68 L | 45 L |
