1958 AC Ace vs. 1946 Jaguar Mark IV
To start off, 1958 AC Ace is newer by 12 year(s). Which means there will be less support and parts availability for 1946 Jaguar Mark IV. In addition, the cost of maintenance, including insurance, on 1946 Jaguar Mark IV would be higher. At 3,485 cc (6 cylinders), 1946 Jaguar Mark IV is equipped with a bigger engine. In terms of performance, 1958 AC Ace (125 HP @ 6000 RPM) has 1 more horse power than 1946 Jaguar Mark IV. (124 HP @ 4250 RPM). In normal driving conditions, 1958 AC Ace should accelerate faster than 1946 Jaguar Mark IV. With that said, vehicle weight also plays an important factor in acceleration. 1946 Jaguar Mark IV weights approximately 896 kg more than 1958 AC Ace.
Let's talk about torque, 1946 Jaguar Mark IV (250 Nm @ 2000 RPM) has 83 more torque (in Nm) than 1958 AC Ace. (167 Nm @ 4500 RPM). This means 1946 Jaguar Mark IV will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 1946 Jaguar Mark IV | |
| Make | AC | Jaguar |
| Model | Ace | Mark IV |
| Year Released | 1958 | 1946 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 3485 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 125 HP | 124 HP |
| Engine RPM | 6000 RPM | 4250 RPM |
| Torque | 167 Nm | 250 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 894 kg | 1790 kg |
| Vehicle Length | 4010 mm | 4730 mm |
| Vehicle Width | 1520 mm | 1680 mm |
| Wheelbase Size | 2290 mm | 3060 mm |
