1958 AC Ace vs. 1971 Morgan 4
To start off, 1971 Morgan 4 is newer by 13 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 1,991 cc (6 cylinders), 1958 AC Ace is equipped with a bigger engine. In terms of performance, 1971 Morgan 4 (85 HP @ 5500 RPM) has 11 more horse power than 1958 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1971 Morgan 4 should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1958 AC Ace weights approximately 230 kg more than 1971 Morgan 4.
Let's talk about torque, 1958 AC Ace (167 Nm) has 32 more torque (in Nm) than 1971 Morgan 4. (135 Nm). This means 1958 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1971 Morgan 4.
Compare all specifications:
| 1958 AC Ace | 1971 Morgan 4 | |
| Make | AC | Morgan |
| Model | Ace | 4 |
| Year Released | 1958 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1597 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 85 HP |
| Engine RPM | 4500 RPM | 5500 RPM |
| Torque | 167 Nm | 135 Nm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 890 kg | 660 kg |
| Vehicle Length | 3850 mm | 3670 mm |
| Vehicle Width | 1520 mm | 1430 mm |
| Vehicle Height | 1250 mm | 1300 mm |
| Wheelbase Size | 2290 mm | 2450 mm |
