1957 AC Ace vs. 1970 Opel Commodore
To start off, 1970 Opel Commodore is newer by 13 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 2,784 cc (6 cylinders), 1970 Opel Commodore is equipped with a bigger engine. In terms of performance, 1970 Opel Commodore (148 HP @ 5100 RPM) has 25 more horse power than 1957 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 1970 Opel Commodore should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1970 Opel Commodore weights approximately 326 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, 1970 Opel Commodore (223 Nm @ 5200 RPM) has 56 more torque (in Nm) than 1957 AC Ace. (167 Nm @ 4500 RPM). This means 1970 Opel Commodore will have an easier job in driving up hills or pulling heavy equipment than 1957 AC Ace.
Compare all specifications:
| 1957 AC Ace | 1970 Opel Commodore | |
| Make | AC | Opel |
| Model | Ace | Commodore |
| Year Released | 1957 | 1970 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2784 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 148 HP |
| Engine RPM | 6000 RPM | 5100 RPM |
| Torque | 167 Nm | 223 Nm |
| Torque RPM | 4500 RPM | 5200 RPM |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1220 kg |
| Vehicle Length | 3850 mm | 4580 mm |
| Vehicle Width | 1520 mm | 1760 mm |
| Vehicle Height | 1250 mm | 1420 mm |
| Wheelbase Size | 2290 mm | 2670 mm |
| Fuel Tank Capacity | 59 L | 75 L |
