1958 AC Ace vs. 1954 Rover P4
To start off, 1958 AC Ace is newer by 4 year(s). Which means there will be less support and parts availability for 1954 Rover P4. In addition, the cost of maintenance, including insurance, on 1954 Rover P4 would be higher. At 1,997 cc (4 cylinders), 1954 Rover P4 is equipped with a bigger engine. In terms of performance, 1958 AC Ace (125 HP @ 6000 RPM) has 74 more horse power than 1954 Rover P4. (51 HP @ 4000 RPM). In normal driving conditions, 1958 AC Ace should accelerate faster than 1954 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1954 Rover P4 weights approximately 486 kg more than 1958 AC Ace.
Let's talk about torque, 1958 AC Ace (167 Nm @ 4500 RPM) has 29 more torque (in Nm) than 1954 Rover P4. (138 Nm @ 2000 RPM). This means 1958 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1954 Rover P4.
Compare all specifications:
| 1958 AC Ace | 1954 Rover P4 | |
| Make | AC | Rover |
| Model | Ace | P4 |
| Year Released | 1958 | 1954 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 125 HP | 51 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 167 Nm | 138 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 894 kg | 1380 kg |
| Vehicle Length | 4010 mm | 4550 mm |
| Vehicle Width | 1520 mm | 1680 mm |
| Vehicle Height | 1270 mm | 1620 mm |
| Wheelbase Size | 2290 mm | 2830 mm |
