1955 Armstrong Siddeley Sapphire vs. 2003 BMW 318
To start off, 2003 BMW 318 is newer by 48 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 3,435 cc (6 cylinders), 1955 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 2003 BMW 318 (141 HP @ 6000 RPM) has 16 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 2003 BMW 318 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 570 kg more than 2003 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, 2003 BMW 318 (271 Nm @ 3750 RPM) has 24 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (247 Nm @ 2000 RPM). This means 2003 BMW 318 will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire. 2003 BMW 318 has automatic transmission and 1955 Armstrong Siddeley Sapphire has manual transmission. 1955 Armstrong Siddeley Sapphire will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW 318 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 2003 BMW 318 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 318 |
| Year Released | 1955 | 2003 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 141 HP |
| Engine RPM | 4700 RPM | 6000 RPM |
| Torque | 247 Nm | 271 Nm |
| Torque RPM | 2000 RPM | 3750 RPM |
| Engine Bore Size | 90 mm | 84 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 7.0:1 | 10.2:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 1260 kg |
| Vehicle Length | 5390 mm | 4270 mm |
| Vehicle Width | 1840 mm | 1760 mm |
| Vehicle Height | 1680 mm | 1410 mm |
| Wheelbase Size | 3380 mm | 2730 mm |
| Fuel Tank Capacity | 72 L | 63 L |
