1957 AC Ace vs. 1981 Mazda RX-7
To start off, 1981 Mazda RX-7 is newer by 24 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 2,292 cc, 1981 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1981 Mazda RX-7 (104 HP @ 6000 RPM) has 30 more horse power than 1957 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1981 Mazda RX-7 should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1981 Mazda RX-7 weights approximately 170 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.
Compare all specifications:
| 1957 AC Ace | 1981 Mazda RX-7 | |
| Make | AC | Mazda |
| Model | Ace | RX-7 |
| Year Released | 1957 | 1981 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 2292 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 74 HP | 104 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 890 kg | 1060 kg |
| Vehicle Length | 3850 mm | 4300 mm |
| Vehicle Width | 1520 mm | 1680 mm |
| Vehicle Height | 1250 mm | 1280 mm |
| Wheelbase Size | 2290 mm | 2430 mm |
| Fuel Tank Capacity | 59 L | 65 L |
