1956 Armstrong Siddeley Sapphire vs. 1977 Buick Regal
To start off, 1977 Buick Regal is newer by 21 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 4,932 cc (8 cylinders), 1977 Buick Regal is equipped with a bigger engine. In terms of performance, 1977 Buick Regal (143 HP @ 3800 RPM) has 58 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1977 Buick Regal should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1977 Buick Regal weights approximately 110 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, 1977 Buick Regal (334 Nm @ 2400 RPM) has 174 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1977 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire. 1977 Buick Regal 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. 1977 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 1977 Buick Regal | |
| Make | Armstrong Siddeley | Buick |
| Model | Sapphire | Regal |
| Year Released | 1956 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 4932 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 143 HP |
| Engine RPM | 4400 RPM | 3800 RPM |
| Torque | 160 Nm | 334 Nm |
| Torque RPM | 1750 RPM | 2400 RPM |
| Engine Bore Size | 70 mm | 101.6 mm |
| Engine Stroke Size | 100 mm | 76.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1360 kg | 1470 kg |
| Vehicle Length | 4580 mm | 5090 mm |
| Vehicle Width | 1730 mm | 1840 mm |
| Vehicle Height | 1570 mm | 1370 mm |
| Wheelbase Size | 2900 mm | 2750 mm |
