2007 BMW Z4 vs. 1963 Riley Elf
To start off, 2007 BMW Z4 is newer by 44 year(s). Which means there will be less support and parts availability for 1963 Riley Elf. In addition, the cost of maintenance, including insurance, on 1963 Riley Elf would be higher. At 2,497 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (215 HP @ 6500 RPM) has 181 more horse power than 1963 Riley Elf. (34 HP @ 5500 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1963 Riley Elf. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 712 kg more than 1963 Riley Elf. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1963 Riley Elf, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 BMW Z4 (250 Nm @ 2750 RPM) has 190 more torque (in Nm) than 1963 Riley Elf. (60 Nm @ 2900 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1963 Riley Elf.
Compare all specifications:
| 2007 BMW Z4 | 1963 Riley Elf | |
| Make | BMW | Riley |
| Model | Z4 | Elf |
| Year Released | 2007 | 1963 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 847 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 215 HP | 34 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 250 Nm | 60 Nm |
| Torque RPM | 2750 RPM | 2900 RPM |
| Engine Compression Ratio | 11.0:1 | 8.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 240 km/hour | 122 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1362 kg | 650 kg |
| Vehicle Length | 4100 mm | 3280 mm |
| Vehicle Width | 1310 mm | 1420 mm |
| Vehicle Height | 1790 mm | 1350 mm |
| Wheelbase Size | 2500 mm | 2040 mm |
| Fuel Tank Capacity | 55 L | 25 L |
