1956 AC Ace vs. 1988 Jaguar XJS
To start off, 1988 Jaguar XJS is newer by 32 year(s). Which means there will be less support and parts availability for 1956 AC Ace. In addition, the cost of maintenance, including insurance, on 1956 AC Ace would be higher. At 3,590 cc (6 cylinders), 1988 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1988 Jaguar XJS (225 HP @ 5300 RPM) has 102 more horse power than 1956 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 1988 Jaguar XJS should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1988 Jaguar XJS weights approximately 736 kg more than 1956 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1988 Jaguar XJS (325 Nm) has 158 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 1988 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace.
Compare all specifications:
| 1956 AC Ace | 1988 Jaguar XJS | |
| Make | AC | Jaguar |
| Model | Ace | XJS |
| Year Released | 1956 | 1988 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 3590 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 225 HP |
| Engine RPM | 6000 RPM | 5300 RPM |
| Torque | 167 Nm | 325 Nm |
| Engine Bore Size | 66 mm | 91 mm |
| Engine Stroke Size | 96 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1630 kg |
| Vehicle Length | 3850 mm | 4880 mm |
| Vehicle Width | 1520 mm | 1800 mm |
| Vehicle Height | 1250 mm | 1220 mm |
| Wheelbase Size | 2290 mm | 2600 mm |
| Fuel Tank Capacity | 59 L | 90 L |
