1957 AC Ace vs. 2009 Jaguar XK
To start off, 2009 Jaguar XK is newer by 52 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 4,196 cc (8 cylinders), 2009 Jaguar XK is equipped with a bigger engine. In terms of performance, 2009 Jaguar XK (294 HP @ 6000 RPM) has 171 more horse power than 1957 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 2009 Jaguar XK should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jaguar XK weights approximately 826 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, 2009 Jaguar XK (411 Nm @ 4100 RPM) has 244 more torque (in Nm) than 1957 AC Ace. (167 Nm @ 4500 RPM). This means 2009 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 1957 AC Ace.
Compare all specifications:
| 1957 AC Ace | 2009 Jaguar XK | |
| Make | AC | Jaguar |
| Model | Ace | XK |
| Year Released | 1957 | 2009 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 4196 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 294 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 167 Nm | 411 Nm |
| Torque RPM | 4500 RPM | 4100 RPM |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1720 kg |
| Vehicle Length | 3850 mm | 4800 mm |
| Vehicle Width | 1520 mm | 2080 mm |
| Vehicle Height | 1250 mm | 1330 mm |
| Wheelbase Size | 2290 mm | 2760 mm |
| Fuel Tank Capacity | 59 L | 70 L |
