1955 Armstrong Siddeley Sapphire vs. 2011 BMW 120
To start off, 2011 BMW 120 is newer by 56 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 2,309 cc (6 cylinders), 1955 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 2011 BMW 120 (168 HP @ 4000 RPM) has 83 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2011 BMW 120 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 120 weights approximately 165 kg more than 1955 Armstrong Siddeley Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2011 BMW 120 (340 Nm @ 2000 RPM) has 180 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2011 BMW 120 will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire. 2011 BMW 120 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. 2011 BMW 120 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 2011 BMW 120 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 120 |
| Year Released | 1955 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 168 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 160 Nm | 340 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Bore Size | 70 mm | 84 mm |
| Engine Stroke Size | 100 mm | 90 mm |
| Engine Compression Ratio | 7.5:1 | 16.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1360 kg | 1525 kg |
| Vehicle Length | 4580 mm | 4230 mm |
| Vehicle Width | 1730 mm | 1440 mm |
| Vehicle Height | 1570 mm | 1760 mm |
| Wheelbase Size | 2900 mm | 2670 mm |
