1956 Armstrong Siddeley Sapphire vs. 1990 Cadillac Aurora
To start off, 1990 Cadillac Aurora is newer by 34 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 4,465 cc (8 cylinders), 1990 Cadillac Aurora is equipped with a bigger engine. In terms of performance, 1990 Cadillac Aurora (200 HP @ 4300 RPM) has 115 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1990 Cadillac Aurora should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1990 Cadillac Aurora weights approximately 228 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.
Because 1990 Cadillac Aurora is four wheel drive (4WD), it will have significant more traction and grip than 1956 Armstrong Siddeley Sapphire. In wet, icy, snow, or gravel driving conditions, 1990 Cadillac Aurora will offer significantly more control. 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, 1990 Cadillac Aurora (366 Nm @ 3200 RPM) has 206 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1990 Cadillac Aurora will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire. 1990 Cadillac Aurora 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. 1990 Cadillac Aurora will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 1990 Cadillac Aurora | |
| Make | Armstrong Siddeley | Cadillac |
| Model | Sapphire | Aurora |
| Year Released | 1956 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 4465 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 200 HP |
| Engine RPM | 4400 RPM | 4300 RPM |
| Torque | 160 Nm | 366 Nm |
| Torque RPM | 1750 RPM | 3200 RPM |
| Engine Bore Size | 70 mm | 92 mm |
| Engine Stroke Size | 100 mm | 84 mm |
| Engine Compression Ratio | 7.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1360 kg | 1588 kg |
| Vehicle Length | 4580 mm | 4860 mm |
| Vehicle Width | 1730 mm | 1890 mm |
| Vehicle Height | 1570 mm | 1410 mm |
| Wheelbase Size | 2900 mm | 2860 mm |
