1955 Armstrong Siddeley Sapphire vs. 1987 BMW M6
To start off, 1987 BMW M6 is newer by 32 year(s). Which means there will be less support and parts availability for 1955 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1955 Armstrong Siddeley Sapphire would be higher. At 3,453 cc (6 cylinders), 1987 BMW M6 is equipped with a bigger engine. In terms of performance, 1987 BMW M6 (282 HP @ 6500 RPM) has 164 more horse power than 1955 Armstrong Siddeley Sapphire. (118 HP @ 5000 RPM) In normal driving conditions, 1987 BMW M6 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 145 kg more than 1987 BMW M6.
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, 1987 BMW M6 (334 Nm @ 4500 RPM) has 145 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (189 Nm @ 3500 RPM). This means 1987 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1987 BMW M6 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | M6 |
| Year Released | 1955 | 1987 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2290 cc | 3453 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 118 HP | 282 HP |
| Engine RPM | 5000 RPM | 6500 RPM |
| Torque | 189 Nm | 334 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Compression Ratio | 7.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1650 kg | 1505 kg |
| Vehicle Length | 4580 mm | 4760 mm |
| Vehicle Width | 1750 mm | 1730 mm |
| Vehicle Height | 1570 mm | 1360 mm |
| Wheelbase Size | 2900 mm | 2630 mm |
| Fuel Tank Capacity | 72 L | 70 L |
