1956 Armstrong Siddeley Sapphire vs. 1991 Italdesign M12
To start off, 1991 Italdesign M12 is newer by 35 year(s). Which means there will be less support and parts availability for 1956 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1956 Armstrong Siddeley Sapphire would be higher. At 4,988 cc (12 cylinders), 1991 Italdesign M12 is equipped with a bigger engine. In terms of performance, 1991 Italdesign M12 (300 HP) has 215 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP) In normal driving conditions, 1991 Italdesign M12 should accelerate faster than 1956 Armstrong Siddeley Sapphire.
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, 1991 Italdesign M12 (450 Nm) has 290 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm). This means 1991 Italdesign M12 will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 1991 Italdesign M12 | |
| Make | Armstrong Siddeley | Italdesign |
| Model | Sapphire | M12 |
| Year Released | 1956 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2307 cc | 4988 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 300 HP |
| Torque | 160 Nm | 450 Nm |
| Engine Bore Size | 70 mm | 84.1 mm |
| Engine Stroke Size | 100 mm | 74.9 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4580 mm | 4380 mm |
| Vehicle Width | 1730 mm | 1990 mm |
| Vehicle Height | 1570 mm | 1120 mm |
| Wheelbase Size | 2900 mm | 2600 mm |
