1991 BMW 525 vs. 1957 Riley 2.6
To start off, 1991 BMW 525 is newer by 34 year(s). Which means there will be less support and parts availability for 1957 Riley 2.6. In addition, the cost of maintenance, including insurance, on 1957 Riley 2.6 would be higher. At 2,639 cc (6 cylinders), 1957 Riley 2.6 is equipped with a bigger engine. In terms of performance, 1991 BMW 525 (143 HP @ 4800 RPM) has 42 more horse power than 1957 Riley 2.6. (101 HP @ 4500 RPM). In normal driving conditions, 1991 BMW 525 should accelerate faster than 1957 Riley 2.6. With that said, vehicle weight also plays an important factor in acceleration. 1957 Riley 2.6 weights approximately 80 kg more than 1991 BMW 525.
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, 1991 BMW 525 (260 Nm @ 2200 RPM) has 66 more torque (in Nm) than 1957 Riley 2.6. (194 Nm @ 2500 RPM). This means 1991 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1957 Riley 2.6.
Compare all specifications:
| 1991 BMW 525 | 1957 Riley 2.6 | |
| Make | BMW | Riley |
| Model | 525 | 2.6 |
| Year Released | 1991 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2639 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 143 HP | 101 HP |
| Engine RPM | 4800 RPM | 4500 RPM |
| Torque | 260 Nm | 194 Nm |
| Torque RPM | 2200 RPM | 2500 RPM |
| Engine Bore Size | 80 mm | 79.4 mm |
| Engine Stroke Size | 83 mm | 88.9 mm |
| Top Speed | 199 km/hour | 150 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1640 kg |
| Vehicle Length | 4730 mm | 4720 mm |
| Vehicle Width | 1760 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1560 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Tank Capacity | 80 L | 54 L |
