2005 BMW 645 vs. 1978 Opel Kadett
To start off, 2005 BMW 645 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1978 Opel Kadett would be higher. At 4,392 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (326 HP @ 6100 RPM) has 267 more horse power than 1978 Opel Kadett. (59 HP @ 5400 RPM). In normal driving conditions, 2005 BMW 645 should accelerate faster than 1978 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 1075 kg more than 1978 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, 2005 BMW 645 (447 Nm @ 3600 RPM) has 357 more torque (in Nm) than 1978 Opel Kadett. (90 Nm @ 2600 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Kadett.
Compare all specifications:
| 2005 BMW 645 | 1978 Opel Kadett | |
| Make | BMW | Opel |
| Model | 645 | Kadett |
| Year Released | 2005 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 1196 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 326 HP | 59 HP |
| Engine RPM | 6100 RPM | 5400 RPM |
| Torque | 447 Nm | 90 Nm |
| Torque RPM | 3600 RPM | 2600 RPM |
| Engine Bore Size | 92 mm | 79 mm |
| Engine Stroke Size | 83 mm | 61 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1895 kg | 820 kg |
| Vehicle Length | 4830 mm | 4130 mm |
| Vehicle Width | 1860 mm | 1590 mm |
| Vehicle Height | 1380 mm | 1380 mm |
| Wheelbase Size | 2890 mm | 2400 mm |
| Fuel Tank Capacity | 70 L | 43 L |
