1965 AC 427 vs. 1956 Armstrong Siddeley Sapphire
To start off, 1965 AC 427 is newer by 9 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 6,997 cc (8 cylinders), 1965 AC 427 is equipped with a bigger engine. In terms of performance, 1965 AC 427 (410 HP @ 4000 RPM) has 325 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM). In normal driving conditions, 1965 AC 427 should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1965 AC 427 weights approximately 37 kg more than 1956 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, 1965 AC 427 (652 Nm @ 3700 RPM) has 492 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1965 AC 427 will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire. 1965 AC 427 has automatic transmission and 1956 Armstrong Siddeley Sapphire has manual transmission. 1956 Armstrong Siddeley Sapphire will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1965 AC 427 will be easier to drive especially in heavy traffic.
Compare all specifications:
1965 AC 427 | 1956 Armstrong Siddeley Sapphire | |
Make | AC | Armstrong Siddeley |
Model | 427 | Sapphire |
Year Released | 1965 | 1956 |
Engine Position | Front | Front |
Engine Size | 6997 cc | 2307 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 410 HP | 85 HP |
Engine RPM | 4000 RPM | 4400 RPM |
Torque | 652 Nm | 160 Nm |
Torque RPM | 3700 RPM | 1750 RPM |
Engine Bore Size | 107.7 mm | 70 mm |
Engine Stroke Size | 96 mm | 100 mm |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1397 kg | 1360 kg |
Vehicle Length | 4430 mm | 4580 mm |
Vehicle Width | 1710 mm | 1730 mm |
Vehicle Height | 1300 mm | 1570 mm |
Wheelbase Size | 2440 mm | 2900 mm |