1977 BMW 520 vs. 1963 Reliant Sabre 4
To start off, 1977 BMW 520 is newer by 14 year(s). Which means there will be less support and parts availability for 1963 Reliant Sabre 4. In addition, the cost of maintenance, including insurance, on 1963 Reliant Sabre 4 would be higher. At 1,951 cc (4 cylinders), 1977 BMW 520 is equipped with a bigger engine. In terms of performance, 1977 BMW 520 (134 HP @ 4000 RPM) has 64 more horse power than 1963 Reliant Sabre 4. (70 HP @ 4400 RPM). In normal driving conditions, 1977 BMW 520 should accelerate faster than 1963 Reliant Sabre 4. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 768 kg more than 1963 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, 1977 BMW 520 (280 Nm @ 1750 RPM) has 157 more torque (in Nm) than 1963 Reliant Sabre 4. (123 Nm @ 2300 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1963 Reliant Sabre 4.
Compare all specifications:
| 1977 BMW 520 | 1963 Reliant Sabre 4 | |
| Make | BMW | Reliant |
| Model | 520 | Sabre 4 |
| Year Released | 1977 | 1963 |
| Engine Position | Front | Front |
| Engine Size | 1951 cc | 1703 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 134 HP | 70 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 280 Nm | 123 Nm |
| Torque RPM | 1750 RPM | 2300 RPM |
| Engine Bore Size | 84 mm | 82.6 mm |
| Engine Stroke Size | 88 mm | 79.5 mm |
| Engine Compression Ratio | 19.0:1 | 8.8:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1565 kg | 797 kg |
| Vehicle Length | 4780 mm | 4200 mm |
| Vehicle Width | 1810 mm | 1560 mm |
| Vehicle Height | 1440 mm | 1280 mm |
| Wheelbase Size | 2840 mm | 2290 mm |
| Fuel Tank Capacity | 70 L | 38 L |
