1953 Armstrong Siddeley Sapphire vs. 1993 Opel Calibra
To start off, 1993 Opel Calibra is newer by 40 year(s). Which means there will be less support and parts availability for 1953 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1953 Armstrong Siddeley Sapphire would be higher. At 3,435 cc (6 cylinders), 1953 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1953 Armstrong Siddeley Sapphire (125 HP @ 4400 RPM) has 10 more horse power than 1993 Opel Calibra. (115 HP @ 5200 RPM). In normal driving conditions, 1953 Armstrong Siddeley Sapphire should accelerate faster than 1993 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 1953 Armstrong Siddeley Sapphire weights approximately 381 kg more than 1993 Opel Calibra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1953 Armstrong Siddeley Sapphire (239 Nm @ 1000 RPM) has 66 more torque (in Nm) than 1993 Opel Calibra. (173 Nm @ 2600 RPM). This means 1953 Armstrong Siddeley Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1993 Opel Calibra.
Compare all specifications:
| 1953 Armstrong Siddeley Sapphire | 1993 Opel Calibra | |
| Make | Armstrong Siddeley | Opel |
| Model | Sapphire | Calibra |
| Year Released | 1953 | 1993 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 115 HP |
| Engine RPM | 4400 RPM | 5200 RPM |
| Torque | 239 Nm | 173 Nm |
| Torque RPM | 1000 RPM | 2600 RPM |
| Engine Compression Ratio | 7.0:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1575 kg | 1194 kg |
| Vehicle Length | 4910 mm | 4500 mm |
| Vehicle Width | 1840 mm | 1700 mm |
| Vehicle Height | 1610 mm | 1610 mm |
| Wheelbase Size | 2900 mm | 2610 mm |
