1956 AC Ace vs. 2001 Jaguar XJ
To start off, 2001 Jaguar XJ is newer by 45 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 3,248 cc (8 cylinders), 2001 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2001 Jaguar XJ (240 HP @ 6350 RPM) has 117 more horse power than 1956 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 2001 Jaguar XJ should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2001 Jaguar XJ weights approximately 816 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, 2001 Jaguar XJ (317 Nm) has 150 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 2001 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace. 2001 Jaguar XJ has automatic transmission and 1956 AC Ace has manual transmission. 1956 AC Ace will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 AC Ace | 2001 Jaguar XJ | |
| Make | AC | Jaguar |
| Model | Ace | XJ |
| Year Released | 1956 | 2001 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 3248 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 240 HP |
| Engine RPM | 6000 RPM | 6350 RPM |
| Torque | 167 Nm | 317 Nm |
| Engine Bore Size | 66 mm | 86 mm |
| Engine Stroke Size | 96 mm | 70 mm |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1710 kg |
| Vehicle Length | 3850 mm | 5160 mm |
| Vehicle Width | 1520 mm | 1800 mm |
| Vehicle Height | 1250 mm | 1310 mm |
| Wheelbase Size | 2290 mm | 2880 mm |
