1956 Armstrong Siddeley Sapphire vs. 2001 Cadillac XLR
To start off, 2001 Cadillac XLR is newer by 45 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 4,565 cc (8 cylinders), 2001 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2001 Cadillac XLR (316 HP @ 6400 RPM) has 231 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2001 Cadillac XLR should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2001 Cadillac XLR weights approximately 294 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, 2001 Cadillac XLR (401 Nm @ 4400 RPM) has 241 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2001 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire. 2001 Cadillac XLR 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. 2001 Cadillac XLR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 2001 Cadillac XLR | |
| Make | Armstrong Siddeley | Cadillac |
| Model | Sapphire | XLR |
| Year Released | 1956 | 2001 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 316 HP |
| Engine RPM | 4400 RPM | 6400 RPM |
| Torque | 160 Nm | 401 Nm |
| Torque RPM | 1750 RPM | 4400 RPM |
| Engine Bore Size | 70 mm | 93 mm |
| Engine Stroke Size | 100 mm | 84 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1360 kg | 1654 kg |
| Vehicle Length | 4580 mm | 4520 mm |
| Vehicle Width | 1730 mm | 1840 mm |
| Vehicle Height | 1570 mm | 1290 mm |
| Wheelbase Size | 2900 mm | 2690 mm |
