1955 Armstrong Siddeley Sapphire vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 52 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 2,497 cc (6 cylinders), 2007 BMW 525 is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (175 HP @ 4000 RPM) has 57 more horse power than 1955 Armstrong Siddeley Sapphire. (118 HP @ 5000 RPM) In normal driving conditions, 2007 BMW 525 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 102 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, 2007 BMW 525 (400 Nm @ 2000 RPM) has 211 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (189 Nm @ 3500 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire. 2007 BMW 525 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. 2007 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 2007 BMW 525 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 525 |
| Year Released | 1955 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2290 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 118 HP | 175 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Torque | 189 Nm | 400 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Compression Ratio | 7.5:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 155 km/hour | 225 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1650 kg | 1752 kg |
| Vehicle Length | 4580 mm | 4850 mm |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1570 mm | 1500 mm |
| Wheelbase Size | 2900 mm | 2840 mm |
| Fuel Tank Capacity | 72 L | 70 L |
