1978 Opel Kadett vs. 1975 Porsche 930
To start off, 1978 Opel Kadett is newer by 3 year(s). Which means there will be less support and parts availability for 1975 Porsche 930. In addition, the cost of maintenance, including insurance, on 1975 Porsche 930 would be higher. At 2,994 cc (6 cylinders), 1975 Porsche 930 is equipped with a bigger engine. In terms of performance, 1975 Porsche 930 (256 HP @ 5500 RPM) has 205 more horse power than 1978 Opel Kadett. (51 HP @ 5600 RPM) In normal driving conditions, 1975 Porsche 930 should accelerate faster than 1978 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1975 Porsche 930 weights approximately 350 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, 1975 Porsche 930 (351 Nm @ 3000 RPM) has 271 more torque (in Nm) than 1978 Opel Kadett. (80 Nm @ 3400 RPM). This means 1975 Porsche 930 will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Kadett.
Compare all specifications:
| 1978 Opel Kadett | 1975 Porsche 930 | |
| Make | Opel | Porsche |
| Model | Kadett | 930 |
| Year Released | 1978 | 1975 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1196 cc | 2994 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 256 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 80 Nm | 351 Nm |
| Torque RPM | 3400 RPM | 3000 RPM |
| Engine Bore Size | 79 mm | 95 mm |
| Engine Stroke Size | 61 mm | 70.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 790 kg | 1140 kg |
| Vehicle Length | 4140 mm | 4300 mm |
| Vehicle Width | 1590 mm | 1780 mm |
| Vehicle Height | 1290 mm | 1320 mm |
| Wheelbase Size | 2410 mm | 2510 mm |
