1958 AC Ace vs. 2009 Mazda 5
To start off, 2009 Mazda 5 is newer by 51 year(s). Which means there will be less support and parts availability for 1958 AC Ace. In addition, the cost of maintenance, including insurance, on 1958 AC Ace would be higher. At 1,999 cc (4 cylinders), 2009 Mazda 5 is equipped with a bigger engine. In terms of performance, 2009 Mazda 5 (144 HP @ 6500 RPM) has 19 more horse power than 1958 AC Ace. (125 HP @ 6000 RPM) In normal driving conditions, 2009 Mazda 5 should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mazda 5 weights approximately 522 kg more than 1958 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, 2009 Mazda 5 (185 Nm @ 4000 RPM) has 18 more torque (in Nm) than 1958 AC Ace. (167 Nm @ 4500 RPM). This means 2009 Mazda 5 will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 2009 Mazda 5 | |
| Make | AC | Mazda |
| Model | Ace | 5 |
| Year Released | 1958 | 2009 |
| Body Type | Roadster | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1999 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 144 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 167 Nm | 185 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 66 mm | 87.5 mm |
| Engine Stroke Size | 96 mm | 83.1 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 894 kg | 1416 kg |
| Vehicle Length | 4010 mm | 4510 mm |
| Vehicle Width | 1520 mm | 1760 mm |
| Vehicle Height | 1270 mm | 1620 mm |
| Wheelbase Size | 2290 mm | 2760 mm |
| Fuel Tank Capacity | 59 L | 60 L |
