1956 AC Ace vs. 1998 Jaguar XK
To start off, 1998 Jaguar XK is newer by 42 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 3,996 cc (8 cylinders), 1998 Jaguar XK is equipped with a bigger engine. In terms of performance, 1998 Jaguar XK (445 HP @ 6300 RPM) has 371 more horse power than 1956 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1998 Jaguar XK should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1998 Jaguar XK weights approximately 671 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, 1998 Jaguar XK (615 Nm) has 448 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 1998 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace.
Compare all specifications:
| 1956 AC Ace | 1998 Jaguar XK | |
| Make | AC | Jaguar |
| Model | Ace | XK |
| Year Released | 1956 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 3996 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 74 HP | 445 HP |
| Engine RPM | 4500 RPM | 6300 RPM |
| Torque | 167 Nm | 615 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1565 kg |
| Vehicle Length | 3850 mm | 4420 mm |
| Vehicle Width | 1520 mm | 1830 mm |
| Vehicle Height | 1250 mm | 1140 mm |
