1974 Opel Kadett vs. 1989 Porsche 928
To start off, 1989 Porsche 928 is newer by 15 year(s). Which means there will be less support and parts availability for 1974 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1974 Opel Kadett would be higher. At 4,664 cc (8 cylinders), 1989 Porsche 928 is equipped with a bigger engine. In terms of performance, 1989 Porsche 928 (306 HP @ 5900 RPM) has 255 more horse power than 1974 Opel Kadett. (51 HP @ 5600 RPM) In normal driving conditions, 1989 Porsche 928 should accelerate faster than 1974 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1989 Porsche 928 weights approximately 710 kg more than 1974 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, 1989 Porsche 928 (408 Nm @ 4100 RPM) has 328 more torque (in Nm) than 1974 Opel Kadett. (80 Nm @ 3400 RPM). This means 1989 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1974 Opel Kadett.
Compare all specifications:
| 1974 Opel Kadett | 1989 Porsche 928 | |
| Make | Opel | Porsche |
| Model | Kadett | 928 |
| Year Released | 1974 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 1194 cc | 4664 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 306 HP |
| Engine RPM | 5600 RPM | 5900 RPM |
| Torque | 80 Nm | 408 Nm |
| Torque RPM | 3400 RPM | 4100 RPM |
| Engine Bore Size | 79 mm | 97.1 mm |
| Engine Stroke Size | 61 mm | 78.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 820 kg | 1530 kg |
| Vehicle Length | 4150 mm | 4450 mm |
| Vehicle Width | 1590 mm | 1840 mm |
| Vehicle Height | 1340 mm | 1290 mm |
| Wheelbase Size | 2410 mm | 2510 mm |
| Fuel Tank Capacity | 43 L | 76 L |
