1973 Opel Kadett vs. 1985 Porsche 928
To start off, 1985 Porsche 928 is newer by 12 year(s). Which means there will be less support and parts availability for 1973 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1973 Opel Kadett would be higher. At 4,662 cc (8 cylinders), 1985 Porsche 928 is equipped with a bigger engine. In terms of performance, 1985 Porsche 928 (310 HP @ 5900 RPM) has 259 more horse power than 1973 Opel Kadett. (51 HP @ 5600 RPM) In normal driving conditions, 1985 Porsche 928 should accelerate faster than 1973 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1985 Porsche 928 weights approximately 555 kg more than 1973 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, 1985 Porsche 928 (400 Nm @ 4500 RPM) has 320 more torque (in Nm) than 1973 Opel Kadett. (80 Nm @ 3400 RPM). This means 1985 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1973 Opel Kadett. 1985 Porsche 928 has automatic transmission and 1973 Opel Kadett has manual transmission. 1973 Opel Kadett will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1985 Porsche 928 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Opel Kadett | 1985 Porsche 928 | |
| Make | Opel | Porsche |
| Model | Kadett | 928 |
| Year Released | 1973 | 1985 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1196 cc | 4662 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 51 HP | 310 HP |
| Engine RPM | 5600 RPM | 5900 RPM |
| Torque | 80 Nm | 400 Nm |
| Torque RPM | 3400 RPM | 4500 RPM |
| Engine Bore Size | 79 mm | 97 mm |
| Engine Stroke Size | 61 mm | 78.9 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 795 kg | 1350 kg |
| Vehicle Length | 3900 mm | 4450 mm |
| Vehicle Width | 1590 mm | 1840 mm |
| Vehicle Height | 1320 mm | 1290 mm |
| Wheelbase Size | 2410 mm | 2510 mm |
