1963 Alfa Romeo Giulia vs. 1983 Jaguar XJS
To start off, 1983 Jaguar XJS is newer by 20 year(s). Which means there will be less support and parts availability for 1963 Alfa Romeo Giulia. In addition, the cost of maintenance, including insurance, on 1963 Alfa Romeo Giulia would be higher. At 3,590 cc (6 cylinders), 1983 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1983 Jaguar XJS (226 HP @ 5300 RPM) has 121 more horse power than 1963 Alfa Romeo Giulia. (105 HP @ 6200 RPM) In normal driving conditions, 1983 Jaguar XJS should accelerate faster than 1963 Alfa Romeo Giulia. With that said, vehicle weight also plays an important factor in acceleration. 1983 Jaguar XJS weights approximately 690 kg more than 1963 Alfa Romeo Giulia. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1983 Jaguar XJS (325 Nm @ 4000 RPM) has 192 more torque (in Nm) than 1963 Alfa Romeo Giulia. (133 Nm @ 4500 RPM). This means 1983 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1963 Alfa Romeo Giulia.
Compare all specifications:
| 1963 Alfa Romeo Giulia | 1983 Jaguar XJS | |
| Make | Alfa Romeo | Jaguar |
| Model | Giulia | XJS |
| Year Released | 1963 | 1983 |
| Engine Position | Front | Front |
| Engine Size | 1569 cc | 3590 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 105 HP | 226 HP |
| Engine RPM | 6200 RPM | 5300 RPM |
| Torque | 133 Nm | 325 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 78 mm | 91 mm |
| Engine Stroke Size | 82 mm | 92 mm |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 970 kg | 1660 kg |
| Vehicle Length | 4130 mm | 4770 mm |
| Vehicle Width | 1670 mm | 1800 mm |
| Vehicle Height | 1250 mm | 1270 mm |
| Wheelbase Size | 2260 mm | 2600 mm |
