1957 AC Ace vs. 1974 Porsche 911
To start off, 1974 Porsche 911 is newer by 17 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 2,994 cc (6 cylinders), 1974 Porsche 911 is equipped with a bigger engine. In terms of performance, 1974 Porsche 911 (227 HP @ 6200 RPM) has 153 more horse power than 1957 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1974 Porsche 911 should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1974 Porsche 911 weights approximately 10 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 | 1974 Porsche 911 | |
| Make | AC | Porsche |
| Model | Ace | 911 |
| Year Released | 1957 | 1974 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1990 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 74 HP | 227 HP |
| Engine RPM | 4500 RPM | 6200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 890 kg | 900 kg |
| Vehicle Length | 3850 mm | 4300 mm |
| Vehicle Width | 1520 mm | 1620 mm |
| Vehicle Height | 1250 mm | 1330 mm |
| Wheelbase Size | 2290 mm | 2270 mm |
