1958 AC Ace vs. 1959 Rover P4
To start off, 1959 Rover P4 is newer by 1 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 1,997 cc (4 cylinders), 1959 Rover P4 is equipped with a bigger engine. In terms of performance, 1958 AC Ace (74 HP @ 4500 RPM) has 23 more horse power than 1959 Rover P4. (51 HP @ 4000 RPM). In normal driving conditions, 1958 AC Ace should accelerate faster than 1959 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1959 Rover P4 weights approximately 490 kg more than 1958 AC Ace.
Let's talk about torque, 1958 AC Ace (167 Nm) has 29 more torque (in Nm) than 1959 Rover P4. (138 Nm). This means 1958 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1959 Rover P4.
Compare all specifications:
| 1958 AC Ace | 1959 Rover P4 | |
| Make | AC | Rover |
| Model | Ace | P4 |
| Year Released | 1958 | 1959 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 74 HP | 51 HP |
| Engine RPM | 4500 RPM | 4000 RPM |
| Torque | 167 Nm | 138 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 890 kg | 1380 kg |
| Vehicle Length | 3850 mm | 4550 mm |
| Vehicle Width | 1520 mm | 1680 mm |
| Vehicle Height | 1250 mm | 1620 mm |
| Wheelbase Size | 2290 mm | 2830 mm |
| Fuel Tank Capacity | 59 L | 54 L |
