1958 AC Ace vs. 2011 Rolls-Royce Phantom
To start off, 2011 Rolls-Royce Phantom is newer by 53 year(s). Which means there will be less support and parts availability for 1958 AC Ace. In addition, the cost of maintenance, including insurance, on 1958 AC Ace would be higher. At 6,700 cc (12 cylinders), 2011 Rolls-Royce Phantom is equipped with a bigger engine. In terms of performance, 2011 Rolls-Royce Phantom (453 HP @ 5350 RPM) has 328 more horse power than 1958 AC Ace. (125 HP @ 6000 RPM) In normal driving conditions, 2011 Rolls-Royce Phantom should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2011 Rolls-Royce Phantom weights approximately 1736 kg more than 1958 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 Rolls-Royce Phantom (719 Nm @ 3500 RPM) has 552 more torque (in Nm) than 1958 AC Ace. (167 Nm @ 4500 RPM). This means 2011 Rolls-Royce Phantom will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 2011 Rolls-Royce Phantom | |
| Make | AC | Rolls-Royce |
| Model | Ace | Phantom |
| Year Released | 1958 | 2011 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 6700 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 453 HP |
| Engine RPM | 6000 RPM | 5350 RPM |
| Torque | 167 Nm | 719 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 2630 kg |
| Vehicle Length | 4010 mm | 5839 mm |
| Vehicle Width | 1520 mm | 1989 mm |
| Vehicle Height | 1270 mm | 1638 mm |
| Wheelbase Size | 2290 mm | 3571 mm |
| Fuel Tank Capacity | 59 L | 100 L |
