1955 Armstrong Siddeley Sapphire vs. 2005 TVR Speed 12
To start off, 2005 TVR Speed 12 is newer by 50 year(s). Which means there will be less support and parts availability for 1955 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1955 Armstrong Siddeley Sapphire would be higher. At 7,730 cc (12 cylinders), 2005 TVR Speed 12 is equipped with a bigger engine. In terms of performance, 2005 TVR Speed 12 (790 HP @ 7750 RPM) has 665 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 2005 TVR Speed 12 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 830 kg more than 2005 TVR Speed 12.
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, 2005 TVR Speed 12 (881 Nm @ 5750 RPM) has 634 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (247 Nm @ 2000 RPM). This means 2005 TVR Speed 12 will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 2005 TVR Speed 12 | |
| Make | Armstrong Siddeley | TVR |
| Model | Sapphire | Speed 12 |
| Year Released | 1955 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 3435 cc | 7730 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 790 HP |
| Engine RPM | 4700 RPM | 7750 RPM |
| Torque | 247 Nm | 881 Nm |
| Torque RPM | 2000 RPM | 5750 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 7 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 1000 kg |
| Vehicle Length | 5390 mm | 4310 mm |
| Vehicle Width | 1840 mm | 1970 mm |
| Vehicle Height | 1680 mm | 1110 mm |
| Wheelbase Size | 3380 mm | 2570 mm |
| Fuel Tank Capacity | 72 L | 57 L |
