1956 Armstrong Siddeley Sapphire vs. 1980 Renault 15
To start off, 1980 Renault 15 is newer by 24 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 2,307 cc (6 cylinders), 1956 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1956 Armstrong Siddeley Sapphire (85 HP @ 4400 RPM) has 26 more horse power than 1980 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 1956 Armstrong Siddeley Sapphire should accelerate faster than 1980 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1956 Armstrong Siddeley Sapphire weights approximately 395 kg more than 1980 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1956 Armstrong Siddeley Sapphire (160 Nm @ 1750 RPM) has 62 more torque (in Nm) than 1980 Renault 15. (98 Nm @ 3500 RPM). This means 1956 Armstrong Siddeley Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1980 Renault 15.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 1980 Renault 15 | |
| Make | Armstrong Siddeley | Renault |
| Model | Sapphire | 15 |
| Year Released | 1956 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 1289 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 59 HP |
| Engine RPM | 4400 RPM | 5500 RPM |
| Torque | 160 Nm | 98 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Bore Size | 70 mm | 75 mm |
| Engine Stroke Size | 100 mm | 69 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1360 kg | 965 kg |
| Vehicle Length | 4580 mm | 4270 mm |
| Vehicle Width | 1730 mm | 1640 mm |
| Vehicle Height | 1570 mm | 1320 mm |
| Wheelbase Size | 2900 mm | 2440 mm |
