1957 Armstrong Siddeley Sapphire vs. 1984 Renault 25
To start off, 1984 Renault 25 is newer by 27 year(s). Which means there will be less support and parts availability for 1957 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1957 Armstrong Siddeley Sapphire would be higher. At 2,309 cc (6 cylinders), 1957 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1984 Renault 25 (89 HP @ 4250 RPM) has 4 more horse power than 1957 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1984 Renault 25 should accelerate faster than 1957 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1957 Armstrong Siddeley Sapphire weights approximately 124 kg more than 1984 Renault 25.
Because 1957 Armstrong Siddeley Sapphire is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1957 Armstrong Siddeley Sapphire. However, in wet, icy, snow, or gravel driving conditions, 1984 Renault 25, being front wheel drive (FWD), will offer much better control with better grip. 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, 1984 Renault 25 (177 Nm @ 2000 RPM) has 16 more torque (in Nm) than 1957 Armstrong Siddeley Sapphire. (161 Nm @ 1750 RPM). This means 1984 Renault 25 will have an easier job in driving up hills or pulling heavy equipment than 1957 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1957 Armstrong Siddeley Sapphire | 1984 Renault 25 | |
| Make | Armstrong Siddeley | Renault |
| Model | Sapphire | 25 |
| Year Released | 1957 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 2068 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 89 HP |
| Engine RPM | 4400 RPM | 4250 RPM |
| Torque | 161 Nm | 177 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Bore Size | 70 mm | 86 mm |
| Engine Stroke Size | 100 mm | 89 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1236 kg |
| Vehicle Length | 4580 mm | 4630 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1570 mm | 1410 mm |
| Wheelbase Size | 2900 mm | 2730 mm |
| Fuel Tank Capacity | 72 L | 38 L |
