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 2,687 cc (6 cylinders), 1974 Porsche 911 is equipped with a bigger engine. In terms of performance, 1974 Porsche 911 (173 HP @ 5800 RPM) has 50 more horse power than 1957 AC Ace. (123 HP @ 6000 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 181 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.
Let's talk about torque, 1974 Porsche 911 (240 Nm @ 4000 RPM) has 73 more torque (in Nm) than 1957 AC Ace. (167 Nm @ 4500 RPM). This means 1974 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1957 AC Ace.
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 | 1971 cc | 2687 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 123 HP | 173 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 167 Nm | 240 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1075 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 |
| Fuel Tank Capacity | 59 L | 79 L |
