2004 BMW 645 vs. 1961 Reliant Sabre 4
To start off, 2004 BMW 645 is newer by 43 year(s). Which means there will be less support and parts availability for 1961 Reliant Sabre 4. In addition, the cost of maintenance, including insurance, on 1961 Reliant Sabre 4 would be higher. At 4,392 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 252 more horse power than 1961 Reliant Sabre 4. (70 HP @ 4400 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 1961 Reliant Sabre 4. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 917 kg more than 1961 Reliant Sabre 4. 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, 2004 BMW 645 (447 Nm) has 324 more torque (in Nm) than 1961 Reliant Sabre 4. (123 Nm). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1961 Reliant Sabre 4.
Compare all specifications:
| 2004 BMW 645 | 1961 Reliant Sabre 4 | |
| Make | BMW | Reliant |
| Model | 645 | Sabre 4 |
| Year Released | 2004 | 1961 |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 1703 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 322 HP | 70 HP |
| Engine RPM | 7400 RPM | 4400 RPM |
| Torque | 447 Nm | 123 Nm |
| Engine Bore Size | 92 mm | 82.6 mm |
| Engine Stroke Size | 83 mm | 79.5 mm |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1715 kg | 798 kg |
| Vehicle Length | 4840 mm | 4060 mm |
| Vehicle Width | 1860 mm | 1560 mm |
| Vehicle Height | 1380 mm | 1280 mm |
| Wheelbase Size | 2790 mm | 2290 mm |
| Fuel Tank Capacity | 70 L | 38 L |
