1956 AC Ace vs. 1991 Holden Commodore
To start off, 1991 Holden Commodore is newer by 35 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 4,987 cc (8 cylinders), 1991 Holden Commodore is equipped with a bigger engine. In terms of performance, 1991 Holden Commodore (221 HP @ 4400 RPM) has 98 more horse power than 1956 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 1991 Holden Commodore should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1991 Holden Commodore weights approximately 571 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, 1991 Holden Commodore (385 Nm) has 218 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 1991 Holden Commodore will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace. 1991 Holden Commodore has automatic transmission and 1956 AC Ace has manual transmission. 1956 AC Ace will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Holden Commodore will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 AC Ace | 1991 Holden Commodore | |
| Make | AC | Holden |
| Model | Ace | Commodore |
| Year Released | 1956 | 1991 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 4987 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 221 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 167 Nm | 385 Nm |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1465 kg |
| Vehicle Length | 3850 mm | 4900 mm |
| Vehicle Width | 1520 mm | 1820 mm |
| Vehicle Height | 1250 mm | 1410 mm |
| Wheelbase Size | 2290 mm | 2740 mm |
