1958 Armstrong Siddeley Star Sapphire vs. 1965 Fiat Coupe
To start off, 1965 Fiat Coupe is newer by 7 year(s). Which means there will be less support and parts availability for 1958 Armstrong Siddeley Star Sapphire. In addition, the cost of maintenance, including insurance, on 1958 Armstrong Siddeley Star Sapphire would be higher. At 3,990 cc (6 cylinders), 1958 Armstrong Siddeley Star Sapphire is equipped with a bigger engine. In terms of performance, 1965 Fiat Coupe (148 HP @ 5600 RPM) has 3 more horse power than 1958 Armstrong Siddeley Star Sapphire. (145 HP @ 4250 RPM) In normal driving conditions, 1965 Fiat Coupe should accelerate faster than 1958 Armstrong Siddeley Star Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1958 Armstrong Siddeley Star Sapphire weights approximately 548 kg more than 1965 Fiat Coupe.
Let's talk about torque, 1958 Armstrong Siddeley Star Sapphire (312 Nm @ 2000 RPM) has 112 more torque (in Nm) than 1965 Fiat Coupe. (200 Nm @ 4000 RPM). This means 1958 Armstrong Siddeley Star Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1965 Fiat Coupe.
Compare all specifications:
| 1958 Armstrong Siddeley Star Sapphire | 1965 Fiat Coupe | |
| Make | Armstrong Siddeley | Fiat |
| Model | Star Sapphire | Coupe |
| Year Released | 1958 | 1965 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 2277 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 148 HP |
| Engine RPM | 4250 RPM | 5600 RPM |
| Torque | 312 Nm | 200 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 97.1 mm | 78 mm |
| Engine Stroke Size | 90 mm | 79.5 mm |
| Engine Compression Ratio | 7.5:1 | 9.0:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1778 kg | 1230 kg |
| Vehicle Length | 4940 mm | 4630 mm |
| Vehicle Width | 1890 mm | 1640 mm |
| Vehicle Height | 1580 mm | 1370 mm |
| Wheelbase Size | 2900 mm | 2660 mm |
| Fuel Tank Capacity | 72 L | 38 L |
