1978 Opel Kadett vs. 1963 Riley 4
To start off, 1978 Opel Kadett is newer by 15 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 1,622 cc (4 cylinders), 1963 Riley 4 is equipped with a bigger engine. In terms of performance, 1963 Riley 4 (67 HP) has 16 more horse power than 1978 Opel Kadett. (51 HP) In normal driving conditions, 1963 Riley 4 should accelerate faster than 1978 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1963 Riley 4 weights approximately 328 kg more than 1978 Opel Kadett. 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, 1963 Riley 4 (121 Nm @ 2500 RPM) has 41 more torque (in Nm) than 1978 Opel Kadett. (80 Nm @ 3400 RPM). This means 1963 Riley 4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Kadett.
Compare all specifications:
| 1978 Opel Kadett | 1963 Riley 4 | |
| Make | Opel | Riley |
| Model | Kadett | 4 |
| Year Released | 1978 | 1963 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1194 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 67 HP |
| Torque | 80 Nm | 121 Nm |
| Torque RPM | 3400 RPM | 2500 RPM |
| Engine Bore Size | 79 mm | 76.2 mm |
| Engine Stroke Size | 61 mm | 88.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 820 kg | 1148 kg |
| Vehicle Length | 4150 mm | 4540 mm |
| Vehicle Width | 1590 mm | 1620 mm |
| Vehicle Height | 1390 mm | 1510 mm |
| Wheelbase Size | 2410 mm | 2530 mm |
| Fuel Tank Capacity | 43 L | 45 L |
