1956 AC Ace vs. 1973 Matra-Simca M670
To start off, 1973 Matra-Simca M670 is newer by 17 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 2,999 cc (12 cylinders), 1973 Matra-Simca M670 is equipped with a bigger engine. In terms of performance, 1973 Matra-Simca M670 (445 HP @ 11000 RPM) has 322 more horse power than 1956 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 1973 Matra-Simca M670 should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1956 AC Ace weights approximately 214 kg more than 1973 Matra-Simca M670.
Compare all specifications:
| 1956 AC Ace | 1973 Matra-Simca M670 | |
| Make | AC | Matra-Simca |
| Model | Ace | M670 |
| Year Released | 1956 | 1973 |
| Engine Size | 1971 cc | 2999 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 445 HP |
| Engine RPM | 6000 RPM | 11000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 894 kg | 680 kg |
| Vehicle Length | 3850 mm | 4010 mm |
| Vehicle Width | 1520 mm | 1910 mm |
| Wheelbase Size | 2290 mm | 2570 mm |
