1957 AC Ace vs. 2011 Jaguar XJ
To start off, 2011 Jaguar XJ is newer by 54 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 5,000 cc (8 cylinders), 2011 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2011 Jaguar XJ (470 HP @ 6000 RPM) has 347 more horse power than 1957 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 2011 Jaguar XJ should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2011 Jaguar XJ weights approximately 1067 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, 2011 Jaguar XJ (574 Nm @ 2500 RPM) has 407 more torque (in Nm) than 1957 AC Ace. (167 Nm @ 4500 RPM). This means 2011 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1957 AC Ace.
Compare all specifications:
| 1957 AC Ace | 2011 Jaguar XJ | |
| Make | AC | Jaguar |
| Model | Ace | XJ |
| Year Released | 1957 | 2011 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 5000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 470 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 167 Nm | 574 Nm |
| Torque RPM | 4500 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1961 kg |
| Vehicle Length | 3850 mm | 5248 mm |
| Vehicle Width | 1520 mm | 1895 mm |
| Vehicle Height | 1250 mm | 1448 mm |
| Wheelbase Size | 2290 mm | 3157 mm |
| Fuel Tank Capacity | 59 L | 82 L |
