1956 Armstrong Siddeley Sapphire vs. 1985 BMW 325
To start off, 1985 BMW 325 is newer by 29 year(s). Which means there will be less support and parts availability for 1956 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1956 Armstrong Siddeley Sapphire would be higher. At 2,693 cc (6 cylinders), 1985 BMW 325 is equipped with a bigger engine. In terms of performance, 1985 BMW 325 (120 HP @ 4250 RPM) has 35 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1985 BMW 325 should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1956 Armstrong Siddeley Sapphire weights approximately 198 kg more than 1985 BMW 325.
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, 1985 BMW 325 (230 Nm @ 3250 RPM) has 70 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1985 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 1985 BMW 325 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 325 |
| Year Released | 1956 | 1985 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 2693 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 120 HP |
| Engine RPM | 4400 RPM | 4250 RPM |
| Torque | 160 Nm | 230 Nm |
| Torque RPM | 1750 RPM | 3250 RPM |
| Engine Bore Size | 70 mm | 84 mm |
| Engine Stroke Size | 100 mm | 81 mm |
| Engine Compression Ratio | 7.5:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1360 kg | 1162 kg |
| Vehicle Length | 4580 mm | 4330 mm |
| Vehicle Width | 1730 mm | 1650 mm |
| Vehicle Height | 1570 mm | 1390 mm |
| Wheelbase Size | 2900 mm | 2630 mm |
