1977 BMW 520 vs. 1976 Opel Kadett
To start off, 1977 BMW 520 is newer by 1 year(s). Which means there will be less support and parts availability for 1976 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1976 Opel Kadett would be higher. At 1,990 cc (6 cylinders), 1977 BMW 520 is equipped with a bigger engine. In terms of performance, 1977 BMW 520 (120 HP @ 6000 RPM) has 61 more horse power than 1976 Opel Kadett. (59 HP @ 5400 RPM). In normal driving conditions, 1977 BMW 520 should accelerate faster than 1976 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 490 kg more than 1976 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, 1977 BMW 520 (160 Nm @ 4000 RPM) has 70 more torque (in Nm) than 1976 Opel Kadett. (90 Nm @ 2600 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1976 Opel Kadett.
Compare all specifications:
| 1977 BMW 520 | 1976 Opel Kadett | |
| Make | BMW | Opel |
| Model | 520 | Kadett |
| Year Released | 1977 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 1196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 120 HP | 59 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 160 Nm | 90 Nm |
| Torque RPM | 4000 RPM | 2600 RPM |
| Engine Bore Size | 80 mm | 79 mm |
| Engine Stroke Size | 66 mm | 61 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1310 kg | 820 kg |
| Vehicle Length | 4630 mm | 4130 mm |
| Vehicle Width | 1700 mm | 1590 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2640 mm | 2400 mm |
| Fuel Tank Capacity | 70 L | 43 L |
