1956 AC Ace vs. 1974 Porsche 911
To start off, 1974 Porsche 911 is newer by 18 year(s). Which means there will be less support and parts availability for 1956 AC Ace. In addition, the cost of maintenance, including insurance, on 1956 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 104 more horse power than 1956 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 1974 Porsche 911 should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1974 Porsche 911 weights approximately 6 kg more than 1956 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1974 Porsche 911 (280 Nm) has 113 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 1974 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace.
Compare all specifications:
| 1956 AC Ace | 1974 Porsche 911 | |
| Make | AC | Porsche |
| Model | Ace | 911 |
| Year Released | 1956 | 1974 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1971 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 123 HP | 227 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 167 Nm | 280 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 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 |
