2005 BMW 645 vs. 1974 Reliant Rebel
To start off, 2005 BMW 645 is newer by 31 year(s). Which means there will be less support and parts availability for 1974 Reliant Rebel. In addition, the cost of maintenance, including insurance, on 1974 Reliant Rebel 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 295 more horse power than 1974 Reliant Rebel. (31 HP @ 5000 RPM). In normal driving conditions, 2005 BMW 645 should accelerate faster than 1974 Reliant Rebel. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 1320 kg more than 1974 Reliant Rebel. 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 395 more torque (in Nm) than 1974 Reliant Rebel. (52 Nm @ 3000 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1974 Reliant Rebel.
Compare all specifications:
| 2005 BMW 645 | 1974 Reliant Rebel | |
| Make | BMW | Reliant |
| Model | 645 | Rebel |
| Year Released | 2005 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 701 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 326 HP | 31 HP |
| Engine RPM | 6100 RPM | 5000 RPM |
| Torque | 447 Nm | 52 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Engine Bore Size | 92 mm | 60.5 mm |
| Engine Stroke Size | 83 mm | 61 mm |
| Engine Compression Ratio | 10.5:1 | 8.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1895 kg | 575 kg |
| Vehicle Length | 4830 mm | 3510 mm |
| Vehicle Width | 1860 mm | 1480 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2270 mm |
