2005 BMW Z4 vs. 1957 Riley 2.6
To start off, 2005 BMW Z4 is newer by 48 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, 2005 BMW Z4 (184 HP @ 6100 RPM) has 83 more horse power than 1957 Riley 2.6. (101 HP @ 4500 RPM). In normal driving conditions, 2005 BMW Z4 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 245 kg more than 2005 BMW Z4.
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 Z4 (237 Nm @ 3500 RPM) has 43 more torque (in Nm) than 1957 Riley 2.6. (194 Nm @ 2500 RPM). This means 2005 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1957 Riley 2.6.
Compare all specifications:
| 2005 BMW Z4 | 1957 Riley 2.6 | |
| Make | BMW | Riley |
| Model | Z4 | 2.6 |
| Year Released | 2005 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 2489 cc | 2639 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 184 HP | 101 HP |
| Engine RPM | 6100 RPM | 4500 RPM |
| Torque | 237 Nm | 194 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 79.4 mm |
| Engine Stroke Size | 75 mm | 88.9 mm |
| Top Speed | 235 km/hour | 150 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1395 kg | 1640 kg |
| Vehicle Length | 4100 mm | 4720 mm |
| Vehicle Width | 1790 mm | 1710 mm |
| Vehicle Height | 1310 mm | 1560 mm |
| Wheelbase Size | 2500 mm | 2890 mm |
| Fuel Tank Capacity | 55 L | 54 L |
