1953 Armstrong Siddeley Sapphire vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 54 year(s). Which means there will be less support and parts availability for 1953 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1953 Armstrong Siddeley Sapphire would be higher. At 3,435 cc (6 cylinders), 1953 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (189 HP @ 6000 RPM) has 64 more horse power than 1953 Armstrong Siddeley Sapphire. (125 HP @ 4400 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1953 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1953 Armstrong Siddeley Sapphire weights approximately 315 kg more than 2007 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, 2007 BMW Z4 (245 Nm @ 3500 RPM) has 6 more torque (in Nm) than 1953 Armstrong Siddeley Sapphire. (239 Nm @ 1000 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1953 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1953 Armstrong Siddeley Sapphire | 2007 BMW Z4 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | Z4 |
| Year Released | 1953 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 189 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 239 Nm | 245 Nm |
| Torque RPM | 1000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 141 km/hour | 235 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1575 kg | 1260 kg |
| Vehicle Length | 4910 mm | 4100 mm |
| Vehicle Width | 1840 mm | 1790 mm |
| Vehicle Height | 1610 mm | 1310 mm |
| Wheelbase Size | 2900 mm | 2500 mm |
| Fuel Tank Capacity | 72 L | 55 L |
