1953 Armstrong Siddeley Sapphire vs. 1975 AC 428
To start off, 1975 AC 428 is newer by 22 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 7,003 cc (8 cylinders), 1975 AC 428 is equipped with a bigger engine. In terms of performance, 1975 AC 428 (298 HP @ 4600 RPM) has 173 more horse power than 1953 Armstrong Siddeley Sapphire. (125 HP @ 4400 RPM) In normal driving conditions, 1975 AC 428 should accelerate faster than 1953 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1953 Armstrong Siddeley Sapphire weights approximately 145 kg more than 1975 AC 428.
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, 1975 AC 428 (639 Nm @ 2800 RPM) has 400 more torque (in Nm) than 1953 Armstrong Siddeley Sapphire. (239 Nm @ 1000 RPM). This means 1975 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1953 Armstrong Siddeley Sapphire. 1975 AC 428 has automatic transmission and 1953 Armstrong Siddeley Sapphire has manual transmission. 1953 Armstrong Siddeley Sapphire will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 AC 428 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1953 Armstrong Siddeley Sapphire | 1975 AC 428 | |
| Make | Armstrong Siddeley | AC |
| Model | Sapphire | 428 |
| Year Released | 1953 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 7003 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 298 HP |
| Engine RPM | 4400 RPM | 4600 RPM |
| Torque | 239 Nm | 639 Nm |
| Torque RPM | 1000 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1575 kg | 1430 kg |
| Vehicle Length | 4910 mm | 4430 mm |
| Vehicle Width | 1840 mm | 1710 mm |
| Vehicle Height | 1610 mm | 1310 mm |
| Wheelbase Size | 2900 mm | 2450 mm |
