2006 BMW 645 vs. 1951 Singer SM 1500
To start off, 2006 BMW 645 is newer by 55 year(s). Which means there will be less support and parts availability for 1951 Singer SM 1500. In addition, the cost of maintenance, including insurance, on 1951 Singer SM 1500 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 281 more horse power than 1951 Singer SM 1500. (47 HP @ 4200 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 1951 Singer SM 1500. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 996 kg more than 1951 Singer SM 1500. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 352 more torque (in Nm) than 1951 Singer SM 1500. (98 Nm @ 2200 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1951 Singer SM 1500.
Compare all specifications:
| 2006 BMW 645 | 1951 Singer SM 1500 | |
| Make | BMW | Singer |
| Model | 645 | SM 1500 |
| Year Released | 2006 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1495 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 328 HP | 47 HP |
| Engine RPM | 6100 RPM | 4200 RPM |
| Torque | 450 Nm | 98 Nm |
| Torque RPM | 3600 RPM | 2200 RPM |
| Engine Bore Size | 92 mm | 73 mm |
| Engine Stroke Size | 83 mm | 89.4 mm |
| Engine Compression Ratio | 10.0:1 | 7.0:1 |
| Top Speed | 250 km/hour | 121 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1836 kg | 840 kg |
| Vehicle Length | 4830 mm | 3860 mm |
| Vehicle Width | 1860 mm | 1480 mm |
| Vehicle Height | 1380 mm | 1240 mm |
| Wheelbase Size | 2790 mm | 2320 mm |
