1957 Armstrong Siddeley Sapphire vs. 2007 Opel Zafira
To start off, 2007 Opel Zafira is newer by 50 year(s). Which means there will be less support and parts availability for 1957 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1957 Armstrong Siddeley Sapphire would be higher. At 2,309 cc (6 cylinders), 1957 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 2007 Opel Zafira (138 HP) has 53 more horse power than 1957 Armstrong Siddeley Sapphire. (85 HP) In normal driving conditions, 2007 Opel Zafira should accelerate faster than 1957 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Zafira weights approximately 85 kg more than 1957 Armstrong Siddeley Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1957 Armstrong Siddeley Sapphire is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1957 Armstrong Siddeley Sapphire. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Zafira, being front wheel drive (FWD), will offer much better control with better grip. 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 Opel Zafira (175 Nm @ 3800 RPM) has 14 more torque (in Nm) than 1957 Armstrong Siddeley Sapphire. (161 Nm @ 1750 RPM). This means 2007 Opel Zafira will have an easier job in driving up hills or pulling heavy equipment than 1957 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1957 Armstrong Siddeley Sapphire | 2007 Opel Zafira | |
| Make | Armstrong Siddeley | Opel |
| Model | Sapphire | Zafira |
| Year Released | 1957 | 2007 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 138 HP |
| Torque | 161 Nm | 175 Nm |
| Torque RPM | 1750 RPM | 3800 RPM |
| Engine Bore Size | 70 mm | 80.6 mm |
| Engine Stroke Size | 100 mm | 88.2 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1360 kg | 1445 kg |
| Vehicle Length | 4580 mm | 4320 mm |
| Vehicle Width | 1750 mm | 1750 mm |
| Vehicle Height | 1570 mm | 1640 mm |
| Wheelbase Size | 2900 mm | 2700 mm |
| Fuel Tank Capacity | 72 L | 58 L |
