1958 AC Ace vs. 1977 Morgan 4
To start off, 1977 Morgan 4 is newer by 19 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 1,971 cc (6 cylinders), 1958 AC Ace is equipped with a bigger engine. In terms of performance, 1958 AC Ace (125 HP @ 6000 RPM) has 40 more horse power than 1977 Morgan 4. (85 HP @ 5500 RPM). In normal driving conditions, 1958 AC Ace should accelerate faster than 1977 Morgan 4. With that said, vehicle weight also plays an important factor in acceleration. 1958 AC Ace weights approximately 234 kg more than 1977 Morgan 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1958 AC Ace (167 Nm @ 4500 RPM) has 32 more torque (in Nm) than 1977 Morgan 4. (135 Nm @ 3600 RPM). This means 1958 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1977 Morgan 4.
Compare all specifications:
| 1958 AC Ace | 1977 Morgan 4 | |
| Make | AC | Morgan |
| Model | Ace | 4 |
| Year Released | 1958 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1596 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 85 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 167 Nm | 135 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 894 kg | 660 kg |
| Vehicle Length | 4010 mm | 3670 mm |
| Vehicle Width | 1520 mm | 1430 mm |
| Vehicle Height | 1270 mm | 1300 mm |
| Wheelbase Size | 2290 mm | 2450 mm |
