1956 AC Ace vs. 2005 Rolls-Royce Phantom
To start off, 2005 Rolls-Royce Phantom is newer by 49 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 6,748 cc (12 cylinders), 2005 Rolls-Royce Phantom is equipped with a bigger engine. In terms of performance, 2005 Rolls-Royce Phantom (454 HP @ 5350 RPM) has 331 more horse power than 1956 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 2005 Rolls-Royce Phantom should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2005 Rolls-Royce Phantom weights approximately 1776 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, 2005 Rolls-Royce Phantom (720 Nm) has 553 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 2005 Rolls-Royce Phantom will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace. 2005 Rolls-Royce Phantom 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. 2005 Rolls-Royce Phantom will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 AC Ace | 2005 Rolls-Royce Phantom | |
| Make | AC | Rolls-Royce |
| Model | Ace | Phantom |
| Year Released | 1956 | 2005 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 6748 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 454 HP |
| Engine RPM | 6000 RPM | 5350 RPM |
| Torque | 167 Nm | 720 Nm |
| Engine Bore Size | 66 mm | 92 mm |
| Engine Stroke Size | 96 mm | 84.6 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 | 2670 kg |
| Vehicle Length | 3850 mm | 5840 mm |
| Vehicle Width | 1520 mm | 2000 mm |
| Vehicle Height | 1250 mm | 1640 mm |
| Wheelbase Size | 2290 mm | 3830 mm |
| Fuel Tank Capacity | 59 L | 100 L |
