1957 AC Ace vs. 1990 Morgan Plus 4
To start off, 1990 Morgan Plus 4 is newer by 33 year(s). Which means there will be less support and parts availability for 1957 AC Ace. In addition, the cost of maintenance, including insurance, on 1957 AC Ace would be higher. At 1,994 cc (4 cylinders), 1990 Morgan Plus 4 is equipped with a bigger engine. In terms of performance, 1990 Morgan Plus 4 (137 HP @ 6000 RPM) has 63 more horse power than 1957 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1990 Morgan Plus 4 should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1990 Morgan Plus 4 weights approximately 30 kg more than 1957 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1957 AC Ace | 1990 Morgan Plus 4 | |
| Make | AC | Morgan |
| Model | Ace | Plus 4 |
| Year Released | 1957 | 1990 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 74 HP | 137 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 890 kg | 920 kg |
| Vehicle Length | 3850 mm | 3900 mm |
| Vehicle Width | 1520 mm | 1510 mm |
| Vehicle Height | 1250 mm | 1280 mm |
| Wheelbase Size | 2290 mm | 2500 mm |
