1956 Armstrong Siddeley Sapphire vs. 1991 BMW 318
To start off, 1991 BMW 318 is newer by 35 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 2,307 cc (6 cylinders), 1956 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1991 BMW 318 (140 HP @ 6000 RPM) has 55 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1991 BMW 318 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 120 kg more than 1991 BMW 318.
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, 1991 BMW 318 (175 Nm @ 4500 RPM) has 15 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1991 BMW 318 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 | 1991 BMW 318 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 318 |
| Year Released | 1956 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 140 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 160 Nm | 175 Nm |
| Torque RPM | 1750 RPM | 4500 RPM |
| Engine Compression Ratio | 7.5:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| 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 | 1240 kg |
| Vehicle Length | 4580 mm | 4440 mm |
| Vehicle Width | 1730 mm | 1720 mm |
| Vehicle Height | 1570 mm | 1370 mm |
| Wheelbase Size | 2900 mm | 2710 mm |
