1975 BMW 320 vs. 1980 Opel Kadett
To start off, 1980 Opel Kadett is newer by 5 year(s). Which means there will be less support and parts availability for 1975 BMW 320. In addition, the cost of maintenance, including insurance, on 1975 BMW 320 would be higher. At 1,991 cc (6 cylinders), 1975 BMW 320 is equipped with a bigger engine. In terms of performance, 1975 BMW 320 (128 HP @ 6000 RPM) has 37 more horse power than 1980 Opel Kadett. (91 HP @ 5800 RPM). In normal driving conditions, 1975 BMW 320 should accelerate faster than 1980 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1975 BMW 320 weights approximately 100 kg more than 1980 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 BMW 320 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1975 BMW 320. However, in wet, icy, snow, or gravel driving conditions, 1980 Opel Kadett, being front wheel drive (FWD), will offer much better control with better grip. 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 BMW 320 (174 Nm @ 4000 RPM) has 50 more torque (in Nm) than 1980 Opel Kadett. (124 Nm @ 4000 RPM). This means 1975 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 1980 Opel Kadett.
Compare all specifications:
| 1975 BMW 320 | 1980 Opel Kadett | |
| Make | BMW | Opel |
| Model | 320 | Kadett |
| Year Released | 1975 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 128 HP | 91 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 174 Nm | 124 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 80 mm |
| Engine Stroke Size | 66 mm | 79.5 mm |
| Engine Compression Ratio | 9.8:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1050 kg | 950 kg |
| Vehicle Length | 4330 mm | 4010 mm |
| Vehicle Width | 1650 mm | 1650 mm |
| Vehicle Height | 1390 mm | 1390 mm |
| Wheelbase Size | 2580 mm | 2520 mm |
