1956 Armstrong Siddeley Sapphire vs. 1968 Buick Riviera
To start off, 1968 Buick Riviera is newer by 12 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 7,050 cc (8 cylinders), 1968 Buick Riviera is equipped with a bigger engine. In terms of performance, 1968 Buick Riviera (305 HP @ 5000 RPM) has 220 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1968 Buick Riviera should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1968 Buick Riviera weights approximately 540 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, 1968 Buick Riviera (645 Nm @ 3200 RPM) has 485 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1968 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire. 1968 Buick Riviera 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. 1968 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 1968 Buick Riviera | |
| Make | Armstrong Siddeley | Buick |
| Model | Sapphire | Riviera |
| Year Released | 1956 | 1968 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 7050 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 305 HP |
| Engine RPM | 4400 RPM | 5000 RPM |
| Torque | 160 Nm | 645 Nm |
| Torque RPM | 1750 RPM | 3200 RPM |
| Engine Bore Size | 70 mm | 106.2 mm |
| Engine Stroke Size | 100 mm | 99.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1360 kg | 1900 kg |
| Vehicle Length | 4580 mm | 5370 mm |
| Vehicle Width | 1730 mm | 2020 mm |
| Vehicle Height | 1570 mm | 1370 mm |
| Wheelbase Size | 2900 mm | 3030 mm |
