1957 AC Ace vs. 1990 Jaguar XJS
To start off, 1990 Jaguar XJS is newer by 33 year(s). Which means there will be less support and parts availability for 1957 AC Ace. In addition, the cost of maintenance, including insurance, on 1957 AC Ace would be higher. At 3,590 cc (6 cylinders), 1990 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1990 Jaguar XJS (217 HP @ 5300 RPM) has 94 more horse power than 1957 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 1990 Jaguar XJS should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1990 Jaguar XJS weights approximately 736 kg more than 1957 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, 1990 Jaguar XJS (331 Nm @ 4000 RPM) has 164 more torque (in Nm) than 1957 AC Ace. (167 Nm @ 4500 RPM). This means 1990 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1957 AC Ace.
Compare all specifications:
| 1957 AC Ace | 1990 Jaguar XJS | |
| Make | AC | Jaguar |
| Model | Ace | XJS |
| Year Released | 1957 | 1990 |
| 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 | 217 HP |
| Engine RPM | 6000 RPM | 5300 RPM |
| Torque | 167 Nm | 331 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| 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 | 1270 mm |
| Wheelbase Size | 2290 mm | 2600 mm |
