1991 BMW 730 vs. 1986 Opel Kadett
To start off, 1991 BMW 730 is newer by 5 year(s). Which means there will be less support and parts availability for 1986 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1986 Opel Kadett would be higher. At 2,986 cc (6 cylinders), 1991 BMW 730 is equipped with a bigger engine. In terms of performance, 1991 BMW 730 (185 HP @ 5800 RPM) has 70 more horse power than 1986 Opel Kadett. (115 HP @ 5600 RPM). In normal driving conditions, 1991 BMW 730 should accelerate faster than 1986 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 730 weights approximately 555 kg more than 1986 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, 1991 BMW 730 (260 Nm @ 4000 RPM) has 82 more torque (in Nm) than 1986 Opel Kadett. (178 Nm @ 3000 RPM). This means 1991 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1986 Opel Kadett.
Compare all specifications:
| 1991 BMW 730 | 1986 Opel Kadett | |
| Make | BMW | Opel |
| Model | 730 | Kadett |
| Year Released | 1991 | 1986 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 185 HP | 115 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 260 Nm | 178 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 89 mm | 86 mm |
| Engine Stroke Size | 80 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1600 kg | 1045 kg |
| Vehicle Length | 4920 mm | 4000 mm |
| Vehicle Width | 1850 mm | 1670 mm |
| Vehicle Height | 1420 mm | 1390 mm |
